20137343320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{1033}}^1$

素因数の和:1353

約数の個数: 128

約数和(自身を含む): 47646720000

約数和(自身を除く): 27509376680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 199, 248, 310, 316, 395, 398, 620, 632, 790, 796, 995, 1033, 1240, 1580, 1592, 1990, 2066, 2449, 3160, 3980, 4132, 4898, 5165, 6169, 7960, 8264, 9796, 10330, 12245, 12338, 15721, 19592, 20660, 24490, 24676, 30845, 31442, 32023, 41320, 48980, 49352, 61690, 62884, 64046, 78605, 81607, 97960, 123380, 125768, 128092, 157210, 160115, 163214, 205567, 246760, 256184, 314420, 320230, 326428, 408035, 411134, 487351, 628840, 640460, 652856, 816070, 822268, 974702, 1027835, 1280920, 1632140, 1644536, 1949404, 2055670, 2436755, 2529817, 3264280, 3898808, 4111340, 4873510, 5059634, 6372577, 8222680, 9747020, 10119268, 12649085, 12745154, 16239793, 19494040, 20238536, 25298170, 25490308, 31862885, 32479586, 50596340, 50980616, 63725770, 64959172, 81198965, 101192680, 127451540, 129918344, 162397930, 254903080, 324795860, 503433583, 649591720, 1006867166, 2013734332, 2517167915, 4027468664, 5034335830, 10068671660, 20137343320]

約数ペア:

[(1, 20137343320), (2, 10068671660), (4, 5034335830), (5, 4027468664), (8, 2517167915), (10, 2013734332), (20, 1006867166), (31, 649591720), (40, 503433583), (62, 324795860), (79, 254903080), (124, 162397930), (155, 129918344), (158, 127451540), (199, 101192680), (248, 81198965), (310, 64959172), (316, 63725770), (395, 50980616), (398, 50596340), (620, 32479586), (632, 31862885), (790, 25490308), (796, 25298170), (995, 20238536), (1033, 19494040), (1240, 16239793), (1580, 12745154), (1592, 12649085), (1990, 10119268), (2066, 9747020), (2449, 8222680), (3160, 6372577), (3980, 5059634), (4132, 4873510), (4898, 4111340), (5165, 3898808), (6169, 3264280), (7960, 2529817), (8264, 2436755), (9796, 2055670), (10330, 1949404), (12245, 1644536), (12338, 1632140), (15721, 1280920), (19592, 1027835), (20660, 974702), (24490, 822268), (24676, 816070), (30845, 652856), (31442, 640460), (32023, 628840), (41320, 487351), (48980, 411134), (49352, 408035), (61690, 326428), (62884, 320230), (64046, 314420), (78605, 256184), (81607, 246760), (97960, 205567), (123380, 163214), (125768, 160115), (128092, 157210)]