20245212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 55648320

約数和(自身を除く): 35403108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 181, 234, 239, 362, 468, 478, 543, 717, 724, 956, 1086, 1434, 1629, 2151, 2172, 2353, 2868, 3107, 3258, 4302, 4706, 6214, 6516, 7059, 8604, 9321, 9412, 12428, 14118, 18642, 21177, 27963, 28236, 37284, 42354, 43259, 55926, 84708, 86518, 111852, 129777, 173036, 259554, 389331, 519108, 562367, 778662, 1124734, 1557324, 1687101, 2249468, 3374202, 5061303, 6748404, 10122606, 20245212]

約数ペア:

[(1, 20245212), (2, 10122606), (3, 6748404), (4, 5061303), (6, 3374202), (9, 2249468), (12, 1687101), (13, 1557324), (18, 1124734), (26, 778662), (36, 562367), (39, 519108), (52, 389331), (78, 259554), (117, 173036), (156, 129777), (181, 111852), (234, 86518), (239, 84708), (362, 55926), (468, 43259), (478, 42354), (543, 37284), (717, 28236), (724, 27963), (956, 21177), (1086, 18642), (1434, 14118), (1629, 12428), (2151, 9412), (2172, 9321), (2353, 8604), (2868, 7059), (3107, 6516), (3258, 6214), (4302, 4706)]