20282340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26003}}^1$

素因数の和:26028

約数の個数: 48

約数和(自身を含む): 61161408

約数和(自身を除く): 40879068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 26003, 52006, 78009, 104012, 130015, 156018, 260030, 312036, 338039, 390045, 520060, 676078, 780090, 1014117, 1352156, 1560180, 1690195, 2028234, 3380390, 4056468, 5070585, 6760780, 10141170, 20282340]

約数ペア:

[(1, 20282340), (2, 10141170), (3, 6760780), (4, 5070585), (5, 4056468), (6, 3380390), (10, 2028234), (12, 1690195), (13, 1560180), (15, 1352156), (20, 1014117), (26, 780090), (30, 676078), (39, 520060), (52, 390045), (60, 338039), (65, 312036), (78, 260030), (130, 156018), (156, 130015), (195, 104012), (260, 78009), (390, 52006), (780, 26003)]