20122832

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:635

約数の個数: 40

約数和(自身を含む): 41622336

約数和(自身を除く): 21499504

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 167, 272, 334, 443, 668, 886, 1336, 1772, 2672, 2839, 3544, 5678, 7088, 7531, 11356, 15062, 22712, 30124, 45424, 60248, 73981, 120496, 147962, 295924, 591848, 1183696, 1257677, 2515354, 5030708, 10061416, 20122832]

約数ペア:

[(1, 20122832), (2, 10061416), (4, 5030708), (8, 2515354), (16, 1257677), (17, 1183696), (34, 591848), (68, 295924), (136, 147962), (167, 120496), (272, 73981), (334, 60248), (443, 45424), (668, 30124), (886, 22712), (1336, 15062), (1772, 11356), (2672, 7531), (2839, 7088), (3544, 5678)]