20456150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2861}}^1$

素因数の和:2897

約数の個数: 48

約数和(自身を含む): 44715888

約数和(自身を除く): 24259738

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2861, 3575, 5722, 7150, 14305, 28610, 31471, 37193, 62942, 71525, 74386, 143050, 157355, 185965, 314710, 371930, 409123, 786775, 818246, 929825, 1573550, 1859650, 2045615, 4091230, 10228075, 20456150]

約数ペア:

[(1, 20456150), (2, 10228075), (5, 4091230), (10, 2045615), (11, 1859650), (13, 1573550), (22, 929825), (25, 818246), (26, 786775), (50, 409123), (55, 371930), (65, 314710), (110, 185965), (130, 157355), (143, 143050), (275, 74386), (286, 71525), (325, 62942), (550, 37193), (650, 31471), (715, 28610), (1430, 14305), (2861, 7150), (3575, 5722)]