20360428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 42900480

約数和(自身を除く): 22540052

約数列:

[1, 2, 4, 11, 22, 23, 31, 44, 46, 59, 62, 92, 118, 121, 124, 236, 242, 253, 341, 484, 506, 649, 682, 713, 1012, 1298, 1357, 1364, 1426, 1829, 2596, 2714, 2783, 2852, 3658, 3751, 5428, 5566, 7139, 7316, 7502, 7843, 11132, 14278, 14927, 15004, 15686, 20119, 28556, 29854, 31372, 40238, 42067, 59708, 80476, 84134, 86273, 164197, 168268, 172546, 221309, 328394, 345092, 442618, 462737, 656788, 885236, 925474, 1850948, 5090107, 10180214, 20360428]

約数ペア:

[(1, 20360428), (2, 10180214), (4, 5090107), (11, 1850948), (22, 925474), (23, 885236), (31, 656788), (44, 462737), (46, 442618), (59, 345092), (62, 328394), (92, 221309), (118, 172546), (121, 168268), (124, 164197), (236, 86273), (242, 84134), (253, 80476), (341, 59708), (484, 42067), (506, 40238), (649, 31372), (682, 29854), (713, 28556), (1012, 20119), (1298, 15686), (1357, 15004), (1364, 14927), (1426, 14278), (1829, 11132), (2596, 7843), (2714, 7502), (2783, 7316), (2852, 7139), (3658, 5566), (3751, 5428)]