20214976

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:509

約数の個数: 56

約数和(自身を含む): 43305984

約数和(自身を除く): 23091008

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 184, 248, 368, 443, 496, 713, 736, 886, 992, 1426, 1472, 1772, 1984, 2852, 3544, 5704, 7088, 10189, 11408, 13733, 14176, 20378, 22816, 27466, 28352, 40756, 45632, 54932, 81512, 109864, 163024, 219728, 315859, 326048, 439456, 631718, 652096, 878912, 1263436, 2526872, 5053744, 10107488, 20214976]

約数ペア:

[(1, 20214976), (2, 10107488), (4, 5053744), (8, 2526872), (16, 1263436), (23, 878912), (31, 652096), (32, 631718), (46, 439456), (62, 326048), (64, 315859), (92, 219728), (124, 163024), (184, 109864), (248, 81512), (368, 54932), (443, 45632), (496, 40756), (713, 28352), (736, 27466), (886, 22816), (992, 20378), (1426, 14176), (1472, 13733), (1772, 11408), (1984, 10189), (2852, 7088), (3544, 5704)]