20505200300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15773231}}^1$

素因数の和:15773258

約数の個数: 36

約数和(自身を含む): 47919078816

約数和(自身を除く): 27413878516

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15773231, 31546462, 63092924, 78866155, 157732310, 205052003, 315464620, 394330775, 410104006, 788661550, 820208012, 1025260015, 1577323100, 2050520030, 4101040060, 5126300075, 10252600150, 20505200300]

約数ペア:

[(1, 20505200300), (2, 10252600150), (4, 5126300075), (5, 4101040060), (10, 2050520030), (13, 1577323100), (20, 1025260015), (25, 820208012), (26, 788661550), (50, 410104006), (52, 394330775), (65, 315464620), (100, 205052003), (130, 157732310), (260, 78866155), (325, 63092924), (650, 31546462), (1300, 15773231)]