22720428

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 61588800

約数和(自身を除く): 38868372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 59, 76, 114, 118, 171, 177, 228, 236, 342, 354, 531, 563, 684, 708, 1062, 1121, 1126, 1689, 2124, 2242, 2252, 3363, 3378, 4484, 5067, 6726, 6756, 10089, 10134, 10697, 13452, 20178, 20268, 21394, 32091, 33217, 40356, 42788, 64182, 66434, 96273, 99651, 128364, 132868, 192546, 199302, 298953, 385092, 398604, 597906, 631123, 1195812, 1262246, 1893369, 2524492, 3786738, 5680107, 7573476, 11360214, 22720428]

約数ペア:

[(1, 22720428), (2, 11360214), (3, 7573476), (4, 5680107), (6, 3786738), (9, 2524492), (12, 1893369), (18, 1262246), (19, 1195812), (36, 631123), (38, 597906), (57, 398604), (59, 385092), (76, 298953), (114, 199302), (118, 192546), (171, 132868), (177, 128364), (228, 99651), (236, 96273), (342, 66434), (354, 64182), (531, 42788), (563, 40356), (684, 33217), (708, 32091), (1062, 21394), (1121, 20268), (1126, 20178), (1689, 13452), (2124, 10697), (2242, 10134), (2252, 10089), (3363, 6756), (3378, 6726), (4484, 5067)]