20955360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 66679200

約数和(自身を除く): 45723840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 149, 160, 240, 293, 298, 447, 480, 586, 596, 745, 879, 894, 1172, 1192, 1465, 1490, 1758, 1788, 2235, 2344, 2384, 2930, 2980, 3516, 3576, 4395, 4470, 4688, 4768, 5860, 5960, 7032, 7152, 8790, 8940, 9376, 11720, 11920, 14064, 14304, 17580, 17880, 23440, 23840, 28128, 35160, 35760, 43657, 46880, 70320, 71520, 87314, 130971, 140640, 174628, 218285, 261942, 349256, 436570, 523884, 654855, 698512, 873140, 1047768, 1309710, 1397024, 1746280, 2095536, 2619420, 3492560, 4191072, 5238840, 6985120, 10477680, 20955360]

約数ペア:

[(1, 20955360), (2, 10477680), (3, 6985120), (4, 5238840), (5, 4191072), (6, 3492560), (8, 2619420), (10, 2095536), (12, 1746280), (15, 1397024), (16, 1309710), (20, 1047768), (24, 873140), (30, 698512), (32, 654855), (40, 523884), (48, 436570), (60, 349256), (80, 261942), (96, 218285), (120, 174628), (149, 140640), (160, 130971), (240, 87314), (293, 71520), (298, 70320), (447, 46880), (480, 43657), (586, 35760), (596, 35160), (745, 28128), (879, 23840), (894, 23440), (1172, 17880), (1192, 17580), (1465, 14304), (1490, 14064), (1758, 11920), (1788, 11720), (2235, 9376), (2344, 8940), (2384, 8790), (2930, 7152), (2980, 7032), (3516, 5960), (3576, 5860), (4395, 4768), (4470, 4688)]