20722152

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1554

約数の個数: 64

約数和(自身を含む): 57620160

約数和(自身を除く): 36898008

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1481, 1749, 2332, 2962, 3498, 4443, 4664, 5924, 6996, 8886, 11848, 13992, 16291, 17772, 32582, 35544, 48873, 65164, 78493, 97746, 130328, 156986, 195492, 235479, 313972, 390984, 470958, 627944, 863423, 941916, 1726846, 1883832, 2590269, 3453692, 5180538, 6907384, 10361076, 20722152]

約数ペア:

[(1, 20722152), (2, 10361076), (3, 6907384), (4, 5180538), (6, 3453692), (8, 2590269), (11, 1883832), (12, 1726846), (22, 941916), (24, 863423), (33, 627944), (44, 470958), (53, 390984), (66, 313972), (88, 235479), (106, 195492), (132, 156986), (159, 130328), (212, 97746), (264, 78493), (318, 65164), (424, 48873), (583, 35544), (636, 32582), (1166, 17772), (1272, 16291), (1481, 13992), (1749, 11848), (2332, 8886), (2962, 6996), (3498, 5924), (4443, 4664)]