20387200

素因数分解:

$2^7\times 5^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 52742160

約数和(自身を除く): 32354960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 277, 320, 368, 400, 460, 554, 575, 640, 736, 800, 920, 1108, 1150, 1385, 1472, 1600, 1840, 2216, 2300, 2770, 2944, 3200, 3680, 4432, 4600, 5540, 6371, 6925, 7360, 8864, 9200, 11080, 12742, 13850, 14720, 17728, 18400, 22160, 25484, 27700, 31855, 35456, 36800, 44320, 50968, 55400, 63710, 73600, 88640, 101936, 110800, 127420, 159275, 177280, 203872, 221600, 254840, 318550, 407744, 443200, 509680, 637100, 815488, 886400, 1019360, 1274200, 2038720, 2548400, 4077440, 5096800, 10193600, 20387200]

約数ペア:

[(1, 20387200), (2, 10193600), (4, 5096800), (5, 4077440), (8, 2548400), (10, 2038720), (16, 1274200), (20, 1019360), (23, 886400), (25, 815488), (32, 637100), (40, 509680), (46, 443200), (50, 407744), (64, 318550), (80, 254840), (92, 221600), (100, 203872), (115, 177280), (128, 159275), (160, 127420), (184, 110800), (200, 101936), (230, 88640), (277, 73600), (320, 63710), (368, 55400), (400, 50968), (460, 44320), (554, 36800), (575, 35456), (640, 31855), (736, 27700), (800, 25484), (920, 22160), (1108, 18400), (1150, 17728), (1385, 14720), (1472, 13850), (1600, 12742), (1840, 11080), (2216, 9200), (2300, 8864), (2770, 7360), (2944, 6925), (3200, 6371), (3680, 5540), (4432, 4600)]