20044600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 49818240

約数和(自身を除く): 29773640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 53, 61, 62, 100, 106, 122, 124, 155, 200, 212, 244, 248, 265, 305, 310, 424, 488, 530, 610, 620, 775, 1060, 1220, 1240, 1325, 1525, 1550, 1643, 1891, 2120, 2440, 2650, 3050, 3100, 3233, 3286, 3782, 5300, 6100, 6200, 6466, 6572, 7564, 8215, 9455, 10600, 12200, 12932, 13144, 15128, 16165, 16430, 18910, 25864, 32330, 32860, 37820, 41075, 47275, 64660, 65720, 75640, 80825, 82150, 94550, 100223, 129320, 161650, 164300, 189100, 200446, 323300, 328600, 378200, 400892, 501115, 646600, 801784, 1002230, 2004460, 2505575, 4008920, 5011150, 10022300, 20044600]

約数ペア:

[(1, 20044600), (2, 10022300), (4, 5011150), (5, 4008920), (8, 2505575), (10, 2004460), (20, 1002230), (25, 801784), (31, 646600), (40, 501115), (50, 400892), (53, 378200), (61, 328600), (62, 323300), (100, 200446), (106, 189100), (122, 164300), (124, 161650), (155, 129320), (200, 100223), (212, 94550), (244, 82150), (248, 80825), (265, 75640), (305, 65720), (310, 64660), (424, 47275), (488, 41075), (530, 37820), (610, 32860), (620, 32330), (775, 25864), (1060, 18910), (1220, 16430), (1240, 16165), (1325, 15128), (1525, 13144), (1550, 12932), (1643, 12200), (1891, 10600), (2120, 9455), (2440, 8215), (2650, 7564), (3050, 6572), (3100, 6466), (3233, 6200), (3286, 6100), (3782, 5300)]