20121631208

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1\times {\mathrm{34513}}^1$

素因数の和:34914

約数の個数: 64

約数和(自身を含む): 44730144000

約数和(自身を除く): 24608512792

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 359, 406, 718, 812, 1436, 1624, 2513, 2872, 5026, 10052, 10411, 20104, 20822, 34513, 41644, 69026, 72877, 83288, 138052, 145754, 241591, 276104, 291508, 483182, 583016, 966364, 1000877, 1932728, 2001754, 4003508, 7006139, 8007016, 12390167, 14012278, 24780334, 28024556, 49560668, 56049112, 86731169, 99121336, 173462338, 346924676, 359314843, 693849352, 718629686, 1437259372, 2515203901, 2874518744, 5030407802, 10060815604, 20121631208]

約数ペア:

[(1, 20121631208), (2, 10060815604), (4, 5030407802), (7, 2874518744), (8, 2515203901), (14, 1437259372), (28, 718629686), (29, 693849352), (56, 359314843), (58, 346924676), (116, 173462338), (203, 99121336), (232, 86731169), (359, 56049112), (406, 49560668), (718, 28024556), (812, 24780334), (1436, 14012278), (1624, 12390167), (2513, 8007016), (2872, 7006139), (5026, 4003508), (10052, 2001754), (10411, 1932728), (20104, 1000877), (20822, 966364), (34513, 583016), (41644, 483182), (69026, 291508), (72877, 276104), (83288, 241591), (138052, 145754)]