20314400

素因数分解:

$2^5\times 5^2\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:466

約数の個数: 72

約数和(自身を含む): 50465520

約数和(自身を除く): 30151120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 67, 80, 100, 134, 160, 200, 268, 335, 379, 400, 536, 670, 758, 800, 1072, 1340, 1516, 1675, 1895, 2144, 2680, 3032, 3350, 3790, 5360, 6064, 6700, 7580, 9475, 10720, 12128, 13400, 15160, 18950, 25393, 26800, 30320, 37900, 50786, 53600, 60640, 75800, 101572, 126965, 151600, 203144, 253930, 303200, 406288, 507860, 634825, 812576, 1015720, 1269650, 2031440, 2539300, 4062880, 5078600, 10157200, 20314400]

約数ペア:

[(1, 20314400), (2, 10157200), (4, 5078600), (5, 4062880), (8, 2539300), (10, 2031440), (16, 1269650), (20, 1015720), (25, 812576), (32, 634825), (40, 507860), (50, 406288), (67, 303200), (80, 253930), (100, 203144), (134, 151600), (160, 126965), (200, 101572), (268, 75800), (335, 60640), (379, 53600), (400, 50786), (536, 37900), (670, 30320), (758, 26800), (800, 25393), (1072, 18950), (1340, 15160), (1516, 13400), (1675, 12128), (1895, 10720), (2144, 9475), (2680, 7580), (3032, 6700), (3350, 6064), (3790, 5360)]