20163368385

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{813203}}^1$

素因数の和:813262

約数の個数: 48

約数和(自身を含む): 38057947200

約数和(自身を除く): 17894578815

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1305, 1653, 2755, 4959, 8265, 24795, 813203, 2439609, 4066015, 7318827, 12198045, 15450857, 23582887, 36594135, 46352571, 70748661, 77254285, 117914435, 139057713, 212245983, 231762855, 353743305, 448074853, 695288565, 1061229915, 1344224559, 2240374265, 4032673677, 6721122795, 20163368385]

約数ペア:

[(1, 20163368385), (3, 6721122795), (5, 4032673677), (9, 2240374265), (15, 1344224559), (19, 1061229915), (29, 695288565), (45, 448074853), (57, 353743305), (87, 231762855), (95, 212245983), (145, 139057713), (171, 117914435), (261, 77254285), (285, 70748661), (435, 46352571), (551, 36594135), (855, 23582887), (1305, 15450857), (1653, 12198045), (2755, 7318827), (4959, 4066015), (8265, 2439609), (24795, 813203)]