16870920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12781}}^1$

素因数の和:12806

約数の個数: 64

約数和(自身を含む): 55218240

約数和(自身を除く): 38347320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 12781, 25562, 38343, 51124, 63905, 76686, 102248, 127810, 140591, 153372, 191715, 255620, 281182, 306744, 383430, 421773, 511240, 562364, 702955, 766860, 843546, 1124728, 1405910, 1533720, 1687092, 2108865, 2811820, 3374184, 4217730, 5623640, 8435460, 16870920]

約数ペア:

[(1, 16870920), (2, 8435460), (3, 5623640), (4, 4217730), (5, 3374184), (6, 2811820), (8, 2108865), (10, 1687092), (11, 1533720), (12, 1405910), (15, 1124728), (20, 843546), (22, 766860), (24, 702955), (30, 562364), (33, 511240), (40, 421773), (44, 383430), (55, 306744), (60, 281182), (66, 255620), (88, 191715), (110, 153372), (120, 140591), (132, 127810), (165, 102248), (220, 76686), (264, 63905), (330, 51124), (440, 38343), (660, 25562), (1320, 12781)]