20129278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 34800192

約数和(自身を除く): 14670914

約数列:

[1, 2, 13, 23, 26, 41, 46, 82, 299, 533, 598, 821, 943, 1066, 1642, 1886, 10673, 12259, 18883, 21346, 24518, 33661, 37766, 67322, 245479, 437593, 490958, 774203, 875186, 1548406, 10064639, 20129278]

約数ペア:

[(1, 20129278), (2, 10064639), (13, 1548406), (23, 875186), (26, 774203), (41, 490958), (46, 437593), (82, 245479), (299, 67322), (533, 37766), (598, 33661), (821, 24518), (943, 21346), (1066, 18883), (1642, 12259), (1886, 10673)]