20867730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53507}}^1$

素因数の和:53530

約数の個数: 32

約数和(自身を含む): 53936064

約数和(自身を除く): 33068334

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53507, 107014, 160521, 267535, 321042, 535070, 695591, 802605, 1391182, 1605210, 2086773, 3477955, 4173546, 6955910, 10433865, 20867730]

約数ペア:

[(1, 20867730), (2, 10433865), (3, 6955910), (5, 4173546), (6, 3477955), (10, 2086773), (13, 1605210), (15, 1391182), (26, 802605), (30, 695591), (39, 535070), (65, 321042), (78, 267535), (130, 160521), (195, 107014), (390, 53507)]