20172982480

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{38693}}^1$

素因数の和:38746

約数の個数: 160

約数和(自身を含む): 57576672000

約数和(自身を除く): 37403689520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 343, 380, 392, 490, 532, 560, 665, 686, 760, 784, 931, 980, 1064, 1330, 1372, 1520, 1715, 1862, 1960, 2128, 2660, 2744, 3430, 3724, 3920, 4655, 5320, 5488, 6517, 6860, 7448, 9310, 10640, 13034, 13720, 14896, 18620, 26068, 27440, 32585, 37240, 38693, 52136, 65170, 74480, 77386, 104272, 130340, 154772, 193465, 260680, 270851, 309544, 386930, 521360, 541702, 619088, 735167, 773860, 1083404, 1354255, 1470334, 1547720, 1895957, 2166808, 2708510, 2940668, 3095440, 3675835, 3791914, 4333616, 5146169, 5417020, 5881336, 7351670, 7583828, 9479785, 10292338, 10834040, 11762672, 13271699, 14703340, 15167656, 18959570, 20584676, 21668080, 25730845, 26543398, 29406680, 30335312, 36023183, 37919140, 41169352, 51461690, 53086796, 58813360, 66358495, 72046366, 75838280, 82338704, 102923380, 106173592, 132716990, 144092732, 151676560, 180115915, 205846760, 212347184, 252162281, 265433980, 288185464, 360231830, 411693520, 504324562, 530867960, 576370928, 720463660, 1008649124, 1061735920, 1260811405, 1440927320, 2017298248, 2521622810, 2881854640, 4034596496, 5043245620, 10086491240, 20172982480]

約数ペア:

[(1, 20172982480), (2, 10086491240), (4, 5043245620), (5, 4034596496), (7, 2881854640), (8, 2521622810), (10, 2017298248), (14, 1440927320), (16, 1260811405), (19, 1061735920), (20, 1008649124), (28, 720463660), (35, 576370928), (38, 530867960), (40, 504324562), (49, 411693520), (56, 360231830), (70, 288185464), (76, 265433980), (80, 252162281), (95, 212347184), (98, 205846760), (112, 180115915), (133, 151676560), (140, 144092732), (152, 132716990), (190, 106173592), (196, 102923380), (245, 82338704), (266, 75838280), (280, 72046366), (304, 66358495), (343, 58813360), (380, 53086796), (392, 51461690), (490, 41169352), (532, 37919140), (560, 36023183), (665, 30335312), (686, 29406680), (760, 26543398), (784, 25730845), (931, 21668080), (980, 20584676), (1064, 18959570), (1330, 15167656), (1372, 14703340), (1520, 13271699), (1715, 11762672), (1862, 10834040), (1960, 10292338), (2128, 9479785), (2660, 7583828), (2744, 7351670), (3430, 5881336), (3724, 5417020), (3920, 5146169), (4655, 4333616), (5320, 3791914), (5488, 3675835), (6517, 3095440), (6860, 2940668), (7448, 2708510), (9310, 2166808), (10640, 1895957), (13034, 1547720), (13720, 1470334), (14896, 1354255), (18620, 1083404), (26068, 773860), (27440, 735167), (32585, 619088), (37240, 541702), (38693, 521360), (52136, 386930), (65170, 309544), (74480, 270851), (77386, 260680), (104272, 193465), (130340, 154772)]