20496272

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:471

約数の個数: 40

約数和(自身を含む): 41485440

約数和(自身を除く): 20989168

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 163, 232, 271, 326, 464, 542, 652, 1084, 1304, 2168, 2608, 4336, 4727, 7859, 9454, 15718, 18908, 31436, 37816, 44173, 62872, 75632, 88346, 125744, 176692, 353384, 706768, 1281017, 2562034, 5124068, 10248136, 20496272]

約数ペア:

[(1, 20496272), (2, 10248136), (4, 5124068), (8, 2562034), (16, 1281017), (29, 706768), (58, 353384), (116, 176692), (163, 125744), (232, 88346), (271, 75632), (326, 62872), (464, 44173), (542, 37816), (652, 31436), (1084, 18908), (1304, 15718), (2168, 9454), (2608, 7859), (4336, 4727)]