20420744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3631}}^1$

素因数の和:3693

約数の個数: 32

約数和(自身を含む): 41404800

約数和(自身を除く): 20984056

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3631, 5624, 7262, 14524, 29048, 68989, 134347, 137978, 268694, 275956, 537388, 551912, 1074776, 2552593, 5105186, 10210372, 20420744]

約数ペア:

[(1, 20420744), (2, 10210372), (4, 5105186), (8, 2552593), (19, 1074776), (37, 551912), (38, 537388), (74, 275956), (76, 268694), (148, 137978), (152, 134347), (296, 68989), (703, 29048), (1406, 14524), (2812, 7262), (3631, 5624)]