20347701640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{32573}}^1$

素因数の和:32711

約数の個数: 128

約数和(自身を含む): 55162114560

約数和(自身を除く): 34814412920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 97, 115, 140, 161, 184, 194, 230, 280, 322, 388, 460, 485, 644, 679, 776, 805, 920, 970, 1288, 1358, 1610, 1940, 2231, 2716, 3220, 3395, 3880, 4462, 5432, 6440, 6790, 8924, 11155, 13580, 15617, 17848, 22310, 27160, 31234, 32573, 44620, 62468, 65146, 78085, 89240, 124936, 130292, 156170, 162865, 228011, 260584, 312340, 325730, 456022, 624680, 651460, 749179, 912044, 1140055, 1302920, 1498358, 1824088, 2280110, 2996716, 3159581, 3745895, 4560220, 5244253, 5993432, 6319162, 7491790, 9120440, 10488506, 12638324, 14983580, 15797905, 20977012, 22117067, 25276648, 26221265, 29967160, 31595810, 41954024, 44234134, 52442530, 63191620, 72670363, 88468268, 104885060, 110585335, 126383240, 145340726, 176936536, 209770120, 221170670, 290681452, 363351815, 442341340, 508692541, 581362904, 726703630, 884682680, 1017385082, 1453407260, 2034770164, 2543462705, 2906814520, 4069540328, 5086925410, 10173850820, 20347701640]

約数ペア:

[(1, 20347701640), (2, 10173850820), (4, 5086925410), (5, 4069540328), (7, 2906814520), (8, 2543462705), (10, 2034770164), (14, 1453407260), (20, 1017385082), (23, 884682680), (28, 726703630), (35, 581362904), (40, 508692541), (46, 442341340), (56, 363351815), (70, 290681452), (92, 221170670), (97, 209770120), (115, 176936536), (140, 145340726), (161, 126383240), (184, 110585335), (194, 104885060), (230, 88468268), (280, 72670363), (322, 63191620), (388, 52442530), (460, 44234134), (485, 41954024), (644, 31595810), (679, 29967160), (776, 26221265), (805, 25276648), (920, 22117067), (970, 20977012), (1288, 15797905), (1358, 14983580), (1610, 12638324), (1940, 10488506), (2231, 9120440), (2716, 7491790), (3220, 6319162), (3395, 5993432), (3880, 5244253), (4462, 4560220), (5432, 3745895), (6440, 3159581), (6790, 2996716), (8924, 2280110), (11155, 1824088), (13580, 1498358), (15617, 1302920), (17848, 1140055), (22310, 912044), (27160, 749179), (31234, 651460), (32573, 624680), (44620, 456022), (62468, 325730), (65146, 312340), (78085, 260584), (89240, 228011), (124936, 162865), (130292, 156170)]