20218457100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{15959}}^1$

素因数の和:16120

約数の個数: 144

約数和(自身を含む): 60511127040

約数和(自身を除く): 40292669940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 103, 123, 150, 164, 205, 206, 246, 300, 309, 410, 412, 492, 515, 615, 618, 820, 1025, 1030, 1230, 1236, 1545, 2050, 2060, 2460, 2575, 3075, 3090, 4100, 4223, 5150, 6150, 6180, 7725, 8446, 10300, 12300, 12669, 15450, 15959, 16892, 21115, 25338, 30900, 31918, 42230, 47877, 50676, 63345, 63836, 79795, 84460, 95754, 105575, 126690, 159590, 191508, 211150, 239385, 253380, 316725, 319180, 398975, 422300, 478770, 633450, 654319, 797950, 957540, 1196925, 1266900, 1308638, 1595900, 1643777, 1962957, 2393850, 2617276, 3271595, 3287554, 3925914, 4787700, 4931331, 6543190, 6575108, 7851828, 8218885, 9814785, 9862662, 13086380, 16357975, 16437770, 19629570, 19725324, 24656655, 32715950, 32875540, 39259140, 41094425, 49073925, 49313310, 65431900, 67394857, 82188850, 98147850, 98626620, 123283275, 134789714, 164377700, 196295700, 202184571, 246566550, 269579428, 336974285, 404369142, 493133100, 673948570, 808738284, 1010922855, 1347897140, 1684871425, 2021845710, 3369742850, 4043691420, 5054614275, 6739485700, 10109228550, 20218457100]

約数ペア:

[(1, 20218457100), (2, 10109228550), (3, 6739485700), (4, 5054614275), (5, 4043691420), (6, 3369742850), (10, 2021845710), (12, 1684871425), (15, 1347897140), (20, 1010922855), (25, 808738284), (30, 673948570), (41, 493133100), (50, 404369142), (60, 336974285), (75, 269579428), (82, 246566550), (100, 202184571), (103, 196295700), (123, 164377700), (150, 134789714), (164, 123283275), (205, 98626620), (206, 98147850), (246, 82188850), (300, 67394857), (309, 65431900), (410, 49313310), (412, 49073925), (492, 41094425), (515, 39259140), (615, 32875540), (618, 32715950), (820, 24656655), (1025, 19725324), (1030, 19629570), (1230, 16437770), (1236, 16357975), (1545, 13086380), (2050, 9862662), (2060, 9814785), (2460, 8218885), (2575, 7851828), (3075, 6575108), (3090, 6543190), (4100, 4931331), (4223, 4787700), (5150, 3925914), (6150, 3287554), (6180, 3271595), (7725, 2617276), (8446, 2393850), (10300, 1962957), (12300, 1643777), (12669, 1595900), (15450, 1308638), (15959, 1266900), (16892, 1196925), (21115, 957540), (25338, 797950), (30900, 654319), (31918, 633450), (42230, 478770), (47877, 422300), (50676, 398975), (63345, 319180), (63836, 316725), (79795, 253380), (84460, 239385), (95754, 211150), (105575, 191508), (126690, 159590)]