20263980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30703}}^1$

素因数の和:30726

約数の個数: 48

約数和(自身を含む): 61899264

約数和(自身を除く): 41635284

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30703, 61406, 92109, 122812, 153515, 184218, 307030, 337733, 368436, 460545, 614060, 675466, 921090, 1013199, 1350932, 1688665, 1842180, 2026398, 3377330, 4052796, 5065995, 6754660, 10131990, 20263980]

約数ペア:

[(1, 20263980), (2, 10131990), (3, 6754660), (4, 5065995), (5, 4052796), (6, 3377330), (10, 2026398), (11, 1842180), (12, 1688665), (15, 1350932), (20, 1013199), (22, 921090), (30, 675466), (33, 614060), (44, 460545), (55, 368436), (60, 337733), (66, 307030), (110, 184218), (132, 153515), (165, 122812), (220, 92109), (330, 61406), (660, 30703)]