20302240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18127}}^1$

素因数の和:18149

約数の個数: 48

約数和(自身を含む): 54819072

約数和(自身を除く): 34516832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18127, 36254, 72508, 90635, 126889, 145016, 181270, 253778, 290032, 362540, 507556, 580064, 634445, 725080, 1015112, 1268890, 1450160, 2030224, 2537780, 2900320, 4060448, 5075560, 10151120, 20302240]

約数ペア:

[(1, 20302240), (2, 10151120), (4, 5075560), (5, 4060448), (7, 2900320), (8, 2537780), (10, 2030224), (14, 1450160), (16, 1268890), (20, 1015112), (28, 725080), (32, 634445), (35, 580064), (40, 507556), (56, 362540), (70, 290032), (80, 253778), (112, 181270), (140, 145016), (160, 126889), (224, 90635), (280, 72508), (560, 36254), (1120, 18127)]