20124881452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{13259}}^1$

素因数の和:13411

約数の個数: 72

約数和(自身を含む): 40691916720

約数和(自身を除く): 20567035268

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 101, 202, 221, 289, 404, 442, 578, 884, 1156, 1313, 1717, 2626, 3434, 3757, 5252, 6868, 7514, 13259, 15028, 22321, 26518, 29189, 44642, 53036, 58378, 89284, 116756, 172367, 225403, 344734, 379457, 450806, 689468, 758914, 901612, 1339159, 1517828, 2678318, 2930239, 3831851, 5356636, 5860478, 7663702, 11720956, 15327404, 17409067, 22765703, 34818134, 45531406, 49814063, 69636268, 91062812, 99628126, 199256252, 295954139, 387016951, 591908278, 774033902, 1183816556, 1548067804, 5031220363, 10062440726, 20124881452]

約数ペア:

[(1, 20124881452), (2, 10062440726), (4, 5031220363), (13, 1548067804), (17, 1183816556), (26, 774033902), (34, 591908278), (52, 387016951), (68, 295954139), (101, 199256252), (202, 99628126), (221, 91062812), (289, 69636268), (404, 49814063), (442, 45531406), (578, 34818134), (884, 22765703), (1156, 17409067), (1313, 15327404), (1717, 11720956), (2626, 7663702), (3434, 5860478), (3757, 5356636), (5252, 3831851), (6868, 2930239), (7514, 2678318), (13259, 1517828), (15028, 1339159), (22321, 901612), (26518, 758914), (29189, 689468), (44642, 450806), (53036, 379457), (58378, 344734), (89284, 225403), (116756, 172367)]