20951640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58199}}^1$

素因数の和:58216

約数の個数: 48

約数和(自身を含む): 68094000

約数和(自身を除く): 47142360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58199, 116398, 174597, 232796, 290995, 349194, 465592, 523791, 581990, 698388, 872985, 1047582, 1163980, 1396776, 1745970, 2095164, 2327960, 2618955, 3491940, 4190328, 5237910, 6983880, 10475820, 20951640]

約数ペア:

[(1, 20951640), (2, 10475820), (3, 6983880), (4, 5237910), (5, 4190328), (6, 3491940), (8, 2618955), (9, 2327960), (10, 2095164), (12, 1745970), (15, 1396776), (18, 1163980), (20, 1047582), (24, 872985), (30, 698388), (36, 581990), (40, 523791), (45, 465592), (60, 349194), (72, 290995), (90, 232796), (120, 174597), (180, 116398), (360, 58199)]