20436705050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{19081}}^1$

素因数の和:19815

約数の個数: 48

約数和(自身を含む): 39297318144

約数和(自身を除く): 18860613094

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 691, 775, 1382, 1550, 3455, 6910, 17275, 19081, 21421, 34550, 38162, 42842, 95405, 107105, 190810, 214210, 477025, 535525, 591511, 954050, 1071050, 1183022, 2957555, 5915110, 13184971, 14787775, 26369942, 29575550, 65924855, 131849710, 329624275, 408734101, 659248550, 817468202, 2043670505, 4087341010, 10218352525, 20436705050]

約数ペア:

[(1, 20436705050), (2, 10218352525), (5, 4087341010), (10, 2043670505), (25, 817468202), (31, 659248550), (50, 408734101), (62, 329624275), (155, 131849710), (310, 65924855), (691, 29575550), (775, 26369942), (1382, 14787775), (1550, 13184971), (3455, 5915110), (6910, 2957555), (17275, 1183022), (19081, 1071050), (21421, 954050), (34550, 591511), (38162, 535525), (42842, 477025), (95405, 214210), (107105, 190810)]