20634304

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 56

約数和(自身を含む): 43891200

約数和(自身を除く): 23256896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 142, 152, 239, 284, 304, 478, 568, 608, 956, 1136, 1216, 1349, 1912, 2272, 2698, 3824, 4541, 4544, 5396, 7648, 9082, 10792, 15296, 16969, 18164, 21584, 33938, 36328, 43168, 67876, 72656, 86336, 135752, 145312, 271504, 290624, 322411, 543008, 644822, 1086016, 1289644, 2579288, 5158576, 10317152, 20634304]

約数ペア:

[(1, 20634304), (2, 10317152), (4, 5158576), (8, 2579288), (16, 1289644), (19, 1086016), (32, 644822), (38, 543008), (64, 322411), (71, 290624), (76, 271504), (142, 145312), (152, 135752), (239, 86336), (284, 72656), (304, 67876), (478, 43168), (568, 36328), (608, 33938), (956, 21584), (1136, 18164), (1216, 16969), (1349, 15296), (1912, 10792), (2272, 9082), (2698, 7648), (3824, 5396), (4541, 4544)]