20398230720

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1011817}}^1$

素因数の和:1011847

約数の個数: 168

約数和(自身を含む): 80184552864

約数和(自身を除く): 59786322144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 20160, 1011817, 2023634, 3035451, 4047268, 5059085, 6070902, 7082719, 8094536, 9106353, 10118170, 12141804, 14165438, 15177255, 16189072, 18212706, 20236340, 21248157, 24283608, 28330876, 30354510, 32378144, 35413595, 36425412, 40472680, 42496314, 45531765, 48567216, 56661752, 60709020, 63744471, 64756288, 70827190, 72850824, 80945360, 84992628, 91063530, 97134432, 106240785, 113323504, 121418040, 127488942, 141654380, 145701648, 161890720, 169985256, 182127060, 194268864, 212481570, 226647008, 242836080, 254977884, 283308760, 291403296, 318722355, 323781440, 339970512, 364254120, 424963140, 453294016, 485672160, 509955768, 566617520, 582806592, 637444710, 679941024, 728508240, 849926280, 971344320, 1019911536, 1133235040, 1274889420, 1359882048, 1457016480, 1699852560, 2039823072, 2266470080, 2549778840, 2914032960, 3399705120, 4079646144, 5099557680, 6799410240, 10199115360, 20398230720]

約数ペア:

[(1, 20398230720), (2, 10199115360), (3, 6799410240), (4, 5099557680), (5, 4079646144), (6, 3399705120), (7, 2914032960), (8, 2549778840), (9, 2266470080), (10, 2039823072), (12, 1699852560), (14, 1457016480), (15, 1359882048), (16, 1274889420), (18, 1133235040), (20, 1019911536), (21, 971344320), (24, 849926280), (28, 728508240), (30, 679941024), (32, 637444710), (35, 582806592), (36, 566617520), (40, 509955768), (42, 485672160), (45, 453294016), (48, 424963140), (56, 364254120), (60, 339970512), (63, 323781440), (64, 318722355), (70, 291403296), (72, 283308760), (80, 254977884), (84, 242836080), (90, 226647008), (96, 212481570), (105, 194268864), (112, 182127060), (120, 169985256), (126, 161890720), (140, 145701648), (144, 141654380), (160, 127488942), (168, 121418040), (180, 113323504), (192, 106240785), (210, 97134432), (224, 91063530), (240, 84992628), (252, 80945360), (280, 72850824), (288, 70827190), (315, 64756288), (320, 63744471), (336, 60709020), (360, 56661752), (420, 48567216), (448, 45531765), (480, 42496314), (504, 40472680), (560, 36425412), (576, 35413595), (630, 32378144), (672, 30354510), (720, 28330876), (840, 24283608), (960, 21248157), (1008, 20236340), (1120, 18212706), (1260, 16189072), (1344, 15177255), (1440, 14165438), (1680, 12141804), (2016, 10118170), (2240, 9106353), (2520, 8094536), (2880, 7082719), (3360, 6070902), (4032, 5059085), (5040, 4047268), (6720, 3035451), (10080, 2023634), (20160, 1011817)]