20888256220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2677}}^1\times {\mathrm{30011}}^1$

素因数の和:32710

約数の個数: 48

約数和(自身を含む): 47258815968

約数和(自身を除く): 26370559748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2677, 5354, 10708, 13385, 26770, 30011, 34801, 53540, 60022, 69602, 120044, 139204, 150055, 174005, 300110, 348010, 390143, 600220, 696020, 780286, 1560572, 1950715, 3901430, 7802860, 80339447, 160678894, 321357788, 401697235, 803394470, 1044412811, 1606788940, 2088825622, 4177651244, 5222064055, 10444128110, 20888256220]

約数ペア:

[(1, 20888256220), (2, 10444128110), (4, 5222064055), (5, 4177651244), (10, 2088825622), (13, 1606788940), (20, 1044412811), (26, 803394470), (52, 401697235), (65, 321357788), (130, 160678894), (260, 80339447), (2677, 7802860), (5354, 3901430), (10708, 1950715), (13385, 1560572), (26770, 780286), (30011, 696020), (34801, 600220), (53540, 390143), (60022, 348010), (69602, 300110), (120044, 174005), (139204, 150055)]