20164569812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{34471}}^1$

素因数の和:34716

約数の個数: 48

約数和(自身を含む): 38222553600

約数和(自身を除く): 18057983788

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 179, 358, 716, 817, 1634, 3268, 3401, 6802, 7697, 13604, 15394, 30788, 34471, 68942, 137884, 146243, 292486, 584972, 654949, 1309898, 1482253, 2619796, 2964506, 5929012, 6170309, 12340618, 24681236, 28162807, 56325614, 112651228, 117235871, 234471742, 265323287, 468943484, 530646574, 1061293148, 5041142453, 10082284906, 20164569812]

約数ペア:

[(1, 20164569812), (2, 10082284906), (4, 5041142453), (19, 1061293148), (38, 530646574), (43, 468943484), (76, 265323287), (86, 234471742), (172, 117235871), (179, 112651228), (358, 56325614), (716, 28162807), (817, 24681236), (1634, 12340618), (3268, 6170309), (3401, 5929012), (6802, 2964506), (7697, 2619796), (13604, 1482253), (15394, 1309898), (30788, 654949), (34471, 584972), (68942, 292486), (137884, 146243)]