20730064

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 43984164

約数和(自身を除く): 23254100

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 97, 148, 152, 194, 296, 304, 361, 388, 592, 703, 722, 776, 1406, 1444, 1552, 1843, 2812, 2888, 3589, 3686, 5624, 5776, 7178, 7372, 11248, 13357, 14356, 14744, 26714, 28712, 29488, 35017, 53428, 57424, 68191, 70034, 106856, 136382, 140068, 213712, 272764, 280136, 545528, 560272, 1091056, 1295629, 2591258, 5182516, 10365032, 20730064]

約数ペア:

[(1, 20730064), (2, 10365032), (4, 5182516), (8, 2591258), (16, 1295629), (19, 1091056), (37, 560272), (38, 545528), (74, 280136), (76, 272764), (97, 213712), (148, 140068), (152, 136382), (194, 106856), (296, 70034), (304, 68191), (361, 57424), (388, 53428), (592, 35017), (703, 29488), (722, 28712), (776, 26714), (1406, 14744), (1444, 14356), (1552, 13357), (1843, 11248), (2812, 7372), (2888, 7178), (3589, 5776), (3686, 5624)]