20463790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 38719296

約数和(自身を除く): 18255506

約数列:

[1, 2, 5, 10, 23, 46, 115, 193, 230, 386, 461, 922, 965, 1930, 2305, 4439, 4610, 8878, 10603, 21206, 22195, 44390, 53015, 88973, 106030, 177946, 444865, 889730, 2046379, 4092758, 10231895, 20463790]

約数ペア:

[(1, 20463790), (2, 10231895), (5, 4092758), (10, 2046379), (23, 889730), (46, 444865), (115, 177946), (193, 106030), (230, 88973), (386, 53015), (461, 44390), (922, 22195), (965, 21206), (1930, 10603), (2305, 8878), (4439, 4610)]