20123997648

素因数分解:

$2^4\times 3^1\times {\mathrm{8447}}^1\times {\mathrm{49633}}^1$

素因数の和:58091

約数の個数: 40

約数和(自身を含む): 51994195968

約数和(自身を除く): 31870198320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 8447, 16894, 25341, 33788, 49633, 50682, 67576, 99266, 101364, 135152, 148899, 198532, 202728, 297798, 397064, 405456, 595596, 794128, 1191192, 2382384, 419249951, 838499902, 1257749853, 1676999804, 2515499706, 3353999608, 5030999412, 6707999216, 10061998824, 20123997648]

約数ペア:

[(1, 20123997648), (2, 10061998824), (3, 6707999216), (4, 5030999412), (6, 3353999608), (8, 2515499706), (12, 1676999804), (16, 1257749853), (24, 838499902), (48, 419249951), (8447, 2382384), (16894, 1191192), (25341, 794128), (33788, 595596), (49633, 405456), (50682, 397064), (67576, 297798), (99266, 202728), (101364, 198532), (135152, 148899)]