20458932

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 51696960

約数和(自身を除く): 31238028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 313, 419, 626, 838, 939, 1252, 1257, 1676, 1878, 2514, 3756, 4069, 5028, 5447, 8138, 10894, 12207, 16276, 16341, 21788, 24414, 32682, 48828, 65364, 131147, 262294, 393441, 524588, 786882, 1573764, 1704911, 3409822, 5114733, 6819644, 10229466, 20458932]

約数ペア:

[(1, 20458932), (2, 10229466), (3, 6819644), (4, 5114733), (6, 3409822), (12, 1704911), (13, 1573764), (26, 786882), (39, 524588), (52, 393441), (78, 262294), (156, 131147), (313, 65364), (419, 48828), (626, 32682), (838, 24414), (939, 21788), (1252, 16341), (1257, 16276), (1676, 12207), (1878, 10894), (2514, 8138), (3756, 5447), (4069, 5028)]