20260940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8513}}^1$

素因数の和:8546

約数の個数: 48

約数和(自身を含む): 51492672

約数和(自身を除く): 31231732

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8513, 17026, 34052, 42565, 59591, 85130, 119182, 144721, 170260, 238364, 289442, 297955, 578884, 595910, 723605, 1013047, 1191820, 1447210, 2026094, 2894420, 4052188, 5065235, 10130470, 20260940]

約数ペア:

[(1, 20260940), (2, 10130470), (4, 5065235), (5, 4052188), (7, 2894420), (10, 2026094), (14, 1447210), (17, 1191820), (20, 1013047), (28, 723605), (34, 595910), (35, 578884), (68, 297955), (70, 289442), (85, 238364), (119, 170260), (140, 144721), (170, 119182), (238, 85130), (340, 59591), (476, 42565), (595, 34052), (1190, 17026), (2380, 8513)]