20265909895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{2477}}^1$

素因数の和:2848

約数の個数: 64

約数和(自身を含む): 30830284800

約数和(自身を除く): 10564374905

約数列:

[1, 5, 7, 11, 35, 55, 77, 79, 269, 385, 395, 553, 869, 1345, 1883, 2477, 2765, 2959, 4345, 6083, 9415, 12385, 14795, 17339, 20713, 21251, 27247, 30415, 86695, 103565, 106255, 136235, 148757, 190729, 195683, 233761, 666313, 743785, 953645, 978415, 1168805, 1369781, 1636327, 2152513, 3331565, 4664191, 6848905, 7329443, 8181635, 10762565, 15067591, 23320955, 36647215, 51306101, 52638727, 75337955, 256530505, 263193635, 368471089, 579025997, 1842355445, 2895129985, 4053181979, 20265909895]

約数ペア:

[(1, 20265909895), (5, 4053181979), (7, 2895129985), (11, 1842355445), (35, 579025997), (55, 368471089), (77, 263193635), (79, 256530505), (269, 75337955), (385, 52638727), (395, 51306101), (553, 36647215), (869, 23320955), (1345, 15067591), (1883, 10762565), (2477, 8181635), (2765, 7329443), (2959, 6848905), (4345, 4664191), (6083, 3331565), (9415, 2152513), (12385, 1636327), (14795, 1369781), (17339, 1168805), (20713, 978415), (21251, 953645), (27247, 743785), (30415, 666313), (86695, 233761), (103565, 195683), (106255, 190729), (136235, 148757)]