20108100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 58864288

約数和(自身を除く): 38756188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 150, 194, 291, 300, 388, 485, 582, 691, 970, 1164, 1382, 1455, 1940, 2073, 2425, 2764, 2910, 3455, 4146, 4850, 5820, 6910, 7275, 8292, 9700, 10365, 13820, 14550, 17275, 20730, 29100, 34550, 41460, 51825, 67027, 69100, 103650, 134054, 201081, 207300, 268108, 335135, 402162, 670270, 804324, 1005405, 1340540, 1675675, 2010810, 3351350, 4021620, 5027025, 6702700, 10054050, 20108100]

約数ペア:

[(1, 20108100), (2, 10054050), (3, 6702700), (4, 5027025), (5, 4021620), (6, 3351350), (10, 2010810), (12, 1675675), (15, 1340540), (20, 1005405), (25, 804324), (30, 670270), (50, 402162), (60, 335135), (75, 268108), (97, 207300), (100, 201081), (150, 134054), (194, 103650), (291, 69100), (300, 67027), (388, 51825), (485, 41460), (582, 34550), (691, 29100), (970, 20730), (1164, 17275), (1382, 14550), (1455, 13820), (1940, 10365), (2073, 9700), (2425, 8292), (2764, 7275), (2910, 6910), (3455, 5820), (4146, 4850)]