20540430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{947}}^1$

素因数の和:1201

約数の個数: 48

約数和(自身を含む): 53683344

約数和(自身を除く): 33142914

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 241, 482, 723, 947, 1205, 1446, 1894, 2169, 2410, 2841, 3615, 4338, 4735, 5682, 7230, 8523, 9470, 10845, 14205, 17046, 21690, 28410, 42615, 85230, 228227, 456454, 684681, 1141135, 1369362, 2054043, 2282270, 3423405, 4108086, 6846810, 10270215, 20540430]

約数ペア:

[(1, 20540430), (2, 10270215), (3, 6846810), (5, 4108086), (6, 3423405), (9, 2282270), (10, 2054043), (15, 1369362), (18, 1141135), (30, 684681), (45, 456454), (90, 228227), (241, 85230), (482, 42615), (723, 28410), (947, 21690), (1205, 17046), (1446, 14205), (1894, 10845), (2169, 9470), (2410, 8523), (2841, 7230), (3615, 5682), (4338, 4735)]