20709984

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{6959}}^1$

素因数の和:7003

約数の個数: 48

約数和(自身を含む): 56125440

約数和(自身を除く): 35415456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 6959, 13918, 20877, 27836, 41754, 55672, 83508, 111344, 167016, 215729, 222688, 334032, 431458, 647187, 668064, 862916, 1294374, 1725832, 2588748, 3451664, 5177496, 6903328, 10354992, 20709984]

約数ペア:

[(1, 20709984), (2, 10354992), (3, 6903328), (4, 5177496), (6, 3451664), (8, 2588748), (12, 1725832), (16, 1294374), (24, 862916), (31, 668064), (32, 647187), (48, 431458), (62, 334032), (93, 222688), (96, 215729), (124, 167016), (186, 111344), (248, 83508), (372, 55672), (496, 41754), (744, 27836), (992, 20877), (1488, 13918), (2976, 6959)]