20657029140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{549097}}^1$

素因数の和:549142

約数の個数: 144

約数和(自身を含む): 71953801920

約数和(自身を除く): 51296772780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2508, 3135, 3420, 3762, 4180, 6270, 7524, 9405, 12540, 18810, 37620, 549097, 1098194, 1647291, 2196388, 2745485, 3294582, 4941873, 5490970, 6040067, 6589164, 8236455, 9883746, 10432843, 10981940, 12080134, 16472910, 18120201, 19767492, 20865686, 24160268, 24709365, 30200335, 31298529, 32945820, 36240402, 41731372, 49418730, 52164215, 54360603, 60400670, 62597058, 72480804, 90601005, 93895587, 98837460, 104328430, 108721206, 114761273, 120801340, 125194116, 156492645, 181202010, 187791174, 208656860, 217442412, 229522546, 271803015, 312985290, 344283819, 362404020, 375582348, 459045092, 469477935, 543606030, 573806365, 625970580, 688567638, 938955870, 1032851457, 1087212060, 1147612730, 1377135276, 1721419095, 1877911740, 2065702914, 2295225460, 3442838190, 4131405828, 5164257285, 6885676380, 10328514570, 20657029140]

約数ペア:

[(1, 20657029140), (2, 10328514570), (3, 6885676380), (4, 5164257285), (5, 4131405828), (6, 3442838190), (9, 2295225460), (10, 2065702914), (11, 1877911740), (12, 1721419095), (15, 1377135276), (18, 1147612730), (19, 1087212060), (20, 1032851457), (22, 938955870), (30, 688567638), (33, 625970580), (36, 573806365), (38, 543606030), (44, 469477935), (45, 459045092), (55, 375582348), (57, 362404020), (60, 344283819), (66, 312985290), (76, 271803015), (90, 229522546), (95, 217442412), (99, 208656860), (110, 187791174), (114, 181202010), (132, 156492645), (165, 125194116), (171, 120801340), (180, 114761273), (190, 108721206), (198, 104328430), (209, 98837460), (220, 93895587), (228, 90601005), (285, 72480804), (330, 62597058), (342, 60400670), (380, 54360603), (396, 52164215), (418, 49418730), (495, 41731372), (570, 36240402), (627, 32945820), (660, 31298529), (684, 30200335), (836, 24709365), (855, 24160268), (990, 20865686), (1045, 19767492), (1140, 18120201), (1254, 16472910), (1710, 12080134), (1881, 10981940), (1980, 10432843), (2090, 9883746), (2508, 8236455), (3135, 6589164), (3420, 6040067), (3762, 5490970), (4180, 4941873), (6270, 3294582), (7524, 2745485), (9405, 2196388), (12540, 1647291), (18810, 1098194), (37620, 549097)]