20122240

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1367}}^1$

素因数の和:1409

約数の個数: 64

約数和(自身を含む): 50232960

約数和(自身を除く): 30110720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1367, 1472, 1840, 2734, 2944, 3680, 5468, 6835, 7360, 10936, 13670, 14720, 21872, 27340, 31441, 43744, 54680, 62882, 87488, 109360, 125764, 157205, 174976, 218720, 251528, 314410, 437440, 503056, 628820, 874880, 1006112, 1257640, 2012224, 2515280, 4024448, 5030560, 10061120, 20122240]

約数ペア:

[(1, 20122240), (2, 10061120), (4, 5030560), (5, 4024448), (8, 2515280), (10, 2012224), (16, 1257640), (20, 1006112), (23, 874880), (32, 628820), (40, 503056), (46, 437440), (64, 314410), (80, 251528), (92, 218720), (115, 174976), (128, 157205), (160, 125764), (184, 109360), (230, 87488), (320, 62882), (368, 54680), (460, 43744), (640, 31441), (736, 27340), (920, 21872), (1367, 14720), (1472, 13670), (1840, 10936), (2734, 7360), (2944, 6835), (3680, 5468)]