20153249900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{16111}}^1$

素因数の和:17919

約数の個数: 72

約数和(自身を含む): 50011132416

約数和(自身を除く): 29857882516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 1787, 3574, 7148, 8935, 12509, 16111, 17870, 25018, 32222, 35740, 44675, 50036, 62545, 64444, 80555, 89350, 112777, 125090, 161110, 178700, 225554, 250180, 312725, 322220, 402775, 451108, 563885, 625450, 805550, 1127770, 1250900, 1611100, 2255540, 2819425, 5638850, 11277700, 28790357, 57580714, 115161428, 143951785, 201532499, 287903570, 403064998, 575807140, 719758925, 806129996, 1007662495, 1439517850, 2015324990, 2879035700, 4030649980, 5038312475, 10076624950, 20153249900]

約数ペア:

[(1, 20153249900), (2, 10076624950), (4, 5038312475), (5, 4030649980), (7, 2879035700), (10, 2015324990), (14, 1439517850), (20, 1007662495), (25, 806129996), (28, 719758925), (35, 575807140), (50, 403064998), (70, 287903570), (100, 201532499), (140, 143951785), (175, 115161428), (350, 57580714), (700, 28790357), (1787, 11277700), (3574, 5638850), (7148, 2819425), (8935, 2255540), (12509, 1611100), (16111, 1250900), (17870, 1127770), (25018, 805550), (32222, 625450), (35740, 563885), (44675, 451108), (50036, 402775), (62545, 322220), (64444, 312725), (80555, 250180), (89350, 225554), (112777, 178700), (125090, 161110)]