22622020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 48988800

約数和(自身を除く): 26366780

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 179, 284, 355, 356, 358, 445, 710, 716, 890, 895, 1420, 1780, 1790, 3580, 6319, 12638, 12709, 15931, 25276, 25418, 31595, 31862, 50836, 63190, 63545, 63724, 79655, 126380, 127090, 159310, 254180, 318620, 1131101, 2262202, 4524404, 5655505, 11311010, 22622020]

約数ペア:

[(1, 22622020), (2, 11311010), (4, 5655505), (5, 4524404), (10, 2262202), (20, 1131101), (71, 318620), (89, 254180), (142, 159310), (178, 127090), (179, 126380), (284, 79655), (355, 63724), (356, 63545), (358, 63190), (445, 50836), (710, 31862), (716, 31595), (890, 25418), (895, 25276), (1420, 15931), (1780, 12709), (1790, 12638), (3580, 6319)]