20771844640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5644523}}^1$

素因数の和:5644561

約数の個数: 48

約数和(自身を含む): 51207121728

約数和(自身を除く): 30435277088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5644523, 11289046, 22578092, 28222615, 45156184, 56445230, 90312368, 112890460, 129824029, 180624736, 225780920, 259648058, 451561840, 519296116, 649120145, 903123680, 1038592232, 1298240290, 2077184464, 2596480580, 4154368928, 5192961160, 10385922320, 20771844640]

約数ペア:

[(1, 20771844640), (2, 10385922320), (4, 5192961160), (5, 4154368928), (8, 2596480580), (10, 2077184464), (16, 1298240290), (20, 1038592232), (23, 903123680), (32, 649120145), (40, 519296116), (46, 451561840), (80, 259648058), (92, 225780920), (115, 180624736), (160, 129824029), (184, 112890460), (230, 90312368), (368, 56445230), (460, 45156184), (736, 28222615), (920, 22578092), (1840, 11289046), (3680, 5644523)]