20178981840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2899279}}^1$

素因数の和:2899324

約数の個数: 80

約数和(自身を含む): 64711929600

約数和(自身を除く): 44532947760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3480, 6960, 2899279, 5798558, 8697837, 11597116, 14496395, 17395674, 23194232, 28992790, 34791348, 43489185, 46388464, 57985580, 69582696, 84079091, 86978370, 115971160, 139165392, 168158182, 173956740, 231942320, 252237273, 336316364, 347913480, 420395455, 504474546, 672632728, 695826960, 840790910, 1008949092, 1261186365, 1345265456, 1681581820, 2017898184, 2522372730, 3363163640, 4035796368, 5044745460, 6726327280, 10089490920, 20178981840]

約数ペア:

[(1, 20178981840), (2, 10089490920), (3, 6726327280), (4, 5044745460), (5, 4035796368), (6, 3363163640), (8, 2522372730), (10, 2017898184), (12, 1681581820), (15, 1345265456), (16, 1261186365), (20, 1008949092), (24, 840790910), (29, 695826960), (30, 672632728), (40, 504474546), (48, 420395455), (58, 347913480), (60, 336316364), (80, 252237273), (87, 231942320), (116, 173956740), (120, 168158182), (145, 139165392), (174, 115971160), (232, 86978370), (240, 84079091), (290, 69582696), (348, 57985580), (435, 46388464), (464, 43489185), (580, 34791348), (696, 28992790), (870, 23194232), (1160, 17395674), (1392, 14496395), (1740, 11597116), (2320, 8697837), (3480, 5798558), (6960, 2899279)]