20897472

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{3511}}^1$

素因数の和:3557

約数の個数: 56

約数和(自身を含む): 57091072

約数和(自身を除く): 36193600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 372, 496, 744, 992, 1488, 1984, 2976, 3511, 5952, 7022, 10533, 14044, 21066, 28088, 42132, 56176, 84264, 108841, 112352, 168528, 217682, 224704, 326523, 337056, 435364, 653046, 674112, 870728, 1306092, 1741456, 2612184, 3482912, 5224368, 6965824, 10448736, 20897472]

約数ペア:

[(1, 20897472), (2, 10448736), (3, 6965824), (4, 5224368), (6, 3482912), (8, 2612184), (12, 1741456), (16, 1306092), (24, 870728), (31, 674112), (32, 653046), (48, 435364), (62, 337056), (64, 326523), (93, 224704), (96, 217682), (124, 168528), (186, 112352), (192, 108841), (248, 84264), (372, 56176), (496, 42132), (744, 28088), (992, 21066), (1488, 14044), (1984, 10533), (2976, 7022), (3511, 5952)]