20494112

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 43259832

約数和(自身を除く): 22765720

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 101, 136, 202, 272, 373, 404, 544, 746, 808, 1492, 1616, 1717, 2984, 3232, 3434, 5968, 6341, 6868, 11936, 12682, 13736, 25364, 27472, 37673, 50728, 54944, 75346, 101456, 150692, 202912, 301384, 602768, 640441, 1205536, 1280882, 2561764, 5123528, 10247056, 20494112]

約数ペア:

[(1, 20494112), (2, 10247056), (4, 5123528), (8, 2561764), (16, 1280882), (17, 1205536), (32, 640441), (34, 602768), (68, 301384), (101, 202912), (136, 150692), (202, 101456), (272, 75346), (373, 54944), (404, 50728), (544, 37673), (746, 27472), (808, 25364), (1492, 13736), (1616, 12682), (1717, 11936), (2984, 6868), (3232, 6341), (3434, 5968)]