20194404640

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:771

約数の個数: 192

約数和(自身を含む): 50357655936

約数和(自身を除く): 30163251296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 73, 74, 80, 83, 146, 148, 160, 166, 185, 292, 296, 332, 365, 370, 415, 563, 584, 592, 664, 730, 740, 830, 1126, 1168, 1184, 1328, 1460, 1480, 1660, 2252, 2336, 2656, 2701, 2815, 2920, 2960, 3071, 3320, 4504, 5402, 5630, 5840, 5920, 6059, 6142, 6640, 9008, 10804, 11260, 11680, 12118, 12284, 13280, 13505, 15355, 18016, 20831, 21608, 22520, 24236, 24568, 27010, 30295, 30710, 41099, 41662, 43216, 45040, 46729, 48472, 49136, 54020, 60590, 61420, 82198, 83324, 86432, 90080, 93458, 96944, 98272, 104155, 108040, 121180, 122840, 164396, 166648, 186916, 193888, 205495, 208310, 216080, 224183, 233645, 242360, 245680, 328792, 333296, 373832, 410990, 416620, 432160, 448366, 467290, 484720, 491360, 657584, 666592, 747664, 821980, 833240, 896732, 934580, 969440, 1120915, 1315168, 1495328, 1520663, 1643960, 1666480, 1728973, 1793464, 1869160, 2241830, 3041326, 3287920, 3332960, 3411217, 3457946, 3586928, 3738320, 4483660, 6082652, 6575840, 6822434, 6915892, 7173856, 7476640, 7603315, 8644865, 8967320, 12165304, 13644868, 13831784, 15206630, 17056085, 17289730, 17934640, 24330608, 27289736, 27663568, 30413260, 34112170, 34579460, 35869280, 48661216, 54579472, 55327136, 60826520, 68224340, 69158920, 109158944, 121653040, 126215029, 136448680, 138317840, 243306080, 252430058, 272897360, 276635680, 504860116, 545794720, 631075145, 1009720232, 1262150290, 2019440464, 2524300580, 4038880928, 5048601160, 10097202320, 20194404640]

約数ペア:

[(1, 20194404640), (2, 10097202320), (4, 5048601160), (5, 4038880928), (8, 2524300580), (10, 2019440464), (16, 1262150290), (20, 1009720232), (32, 631075145), (37, 545794720), (40, 504860116), (73, 276635680), (74, 272897360), (80, 252430058), (83, 243306080), (146, 138317840), (148, 136448680), (160, 126215029), (166, 121653040), (185, 109158944), (292, 69158920), (296, 68224340), (332, 60826520), (365, 55327136), (370, 54579472), (415, 48661216), (563, 35869280), (584, 34579460), (592, 34112170), (664, 30413260), (730, 27663568), (740, 27289736), (830, 24330608), (1126, 17934640), (1168, 17289730), (1184, 17056085), (1328, 15206630), (1460, 13831784), (1480, 13644868), (1660, 12165304), (2252, 8967320), (2336, 8644865), (2656, 7603315), (2701, 7476640), (2815, 7173856), (2920, 6915892), (2960, 6822434), (3071, 6575840), (3320, 6082652), (4504, 4483660), (5402, 3738320), (5630, 3586928), (5840, 3457946), (5920, 3411217), (6059, 3332960), (6142, 3287920), (6640, 3041326), (9008, 2241830), (10804, 1869160), (11260, 1793464), (11680, 1728973), (12118, 1666480), (12284, 1643960), (13280, 1520663), (13505, 1495328), (15355, 1315168), (18016, 1120915), (20831, 969440), (21608, 934580), (22520, 896732), (24236, 833240), (24568, 821980), (27010, 747664), (30295, 666592), (30710, 657584), (41099, 491360), (41662, 484720), (43216, 467290), (45040, 448366), (46729, 432160), (48472, 416620), (49136, 410990), (54020, 373832), (60590, 333296), (61420, 328792), (82198, 245680), (83324, 242360), (86432, 233645), (90080, 224183), (93458, 216080), (96944, 208310), (98272, 205495), (104155, 193888), (108040, 186916), (121180, 166648), (122840, 164396)]