20376176080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{23981}}^1$

素因数の和:24069

約数の個数: 160

約数和(自身を含む): 54955232640

約数和(自身を除く): 34579056560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 43, 52, 65, 76, 80, 86, 95, 104, 130, 152, 172, 190, 208, 215, 247, 260, 304, 344, 380, 430, 494, 520, 559, 688, 760, 817, 860, 988, 1040, 1118, 1235, 1520, 1634, 1720, 1976, 2236, 2470, 2795, 3268, 3440, 3952, 4085, 4472, 4940, 5590, 6536, 8170, 8944, 9880, 10621, 11180, 13072, 16340, 19760, 21242, 22360, 23981, 32680, 42484, 44720, 47962, 53105, 65360, 84968, 95924, 106210, 119905, 169936, 191848, 212420, 239810, 311753, 383696, 424840, 455639, 479620, 623506, 849680, 911278, 959240, 1031183, 1247012, 1558765, 1822556, 1918480, 2062366, 2278195, 2494024, 3117530, 3645112, 4124732, 4556390, 4988048, 5155915, 5923307, 6235060, 7290224, 8249464, 9112780, 10311830, 11846614, 12470120, 13405379, 16498928, 18225560, 19592477, 20623660, 23693228, 24940240, 26810758, 29616535, 36451120, 39184954, 41247320, 47386456, 53621516, 59233070, 67026895, 78369908, 82494640, 94772912, 97962385, 107243032, 118466140, 134053790, 156739816, 195924770, 214486064, 236932280, 254702201, 268107580, 313479632, 391849540, 473864560, 509404402, 536215160, 783699080, 1018808804, 1072430320, 1273511005, 1567398160, 2037617608, 2547022010, 4075235216, 5094044020, 10188088040, 20376176080]

約数ペア:

[(1, 20376176080), (2, 10188088040), (4, 5094044020), (5, 4075235216), (8, 2547022010), (10, 2037617608), (13, 1567398160), (16, 1273511005), (19, 1072430320), (20, 1018808804), (26, 783699080), (38, 536215160), (40, 509404402), (43, 473864560), (52, 391849540), (65, 313479632), (76, 268107580), (80, 254702201), (86, 236932280), (95, 214486064), (104, 195924770), (130, 156739816), (152, 134053790), (172, 118466140), (190, 107243032), (208, 97962385), (215, 94772912), (247, 82494640), (260, 78369908), (304, 67026895), (344, 59233070), (380, 53621516), (430, 47386456), (494, 41247320), (520, 39184954), (559, 36451120), (688, 29616535), (760, 26810758), (817, 24940240), (860, 23693228), (988, 20623660), (1040, 19592477), (1118, 18225560), (1235, 16498928), (1520, 13405379), (1634, 12470120), (1720, 11846614), (1976, 10311830), (2236, 9112780), (2470, 8249464), (2795, 7290224), (3268, 6235060), (3440, 5923307), (3952, 5155915), (4085, 4988048), (4472, 4556390), (4940, 4124732), (5590, 3645112), (6536, 3117530), (8170, 2494024), (8944, 2278195), (9880, 2062366), (10621, 1918480), (11180, 1822556), (13072, 1558765), (16340, 1247012), (19760, 1031183), (21242, 959240), (22360, 911278), (23981, 849680), (32680, 623506), (42484, 479620), (44720, 455639), (47962, 424840), (53105, 383696), (65360, 311753), (84968, 239810), (95924, 212420), (106210, 191848), (119905, 169936)]