20336764

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 44943360

約数和(自身を除く): 24606596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 127, 133, 172, 196, 254, 266, 301, 508, 532, 602, 817, 889, 931, 1204, 1634, 1778, 1862, 2107, 2413, 3268, 3556, 3724, 4214, 4826, 5461, 5719, 6223, 8428, 9652, 10922, 11438, 12446, 16891, 21844, 22876, 24892, 33782, 38227, 40033, 67564, 76454, 80066, 103759, 118237, 152908, 160132, 207518, 236474, 267589, 415036, 472948, 535178, 726313, 1070356, 1452626, 2905252, 5084191, 10168382, 20336764]

約数ペア:

[(1, 20336764), (2, 10168382), (4, 5084191), (7, 2905252), (14, 1452626), (19, 1070356), (28, 726313), (38, 535178), (43, 472948), (49, 415036), (76, 267589), (86, 236474), (98, 207518), (127, 160132), (133, 152908), (172, 118237), (196, 103759), (254, 80066), (266, 76454), (301, 67564), (508, 40033), (532, 38227), (602, 33782), (817, 24892), (889, 22876), (931, 21844), (1204, 16891), (1634, 12446), (1778, 11438), (1862, 10922), (2107, 9652), (2413, 8428), (3268, 6223), (3556, 5719), (3724, 5461), (4214, 4826)]