20187752620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{10459}}^1$

素因数の和:11303

約数の個数: 96

約数和(自身を含む): 51368808960

約数和(自身を除く): 31181056340

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 811, 1190, 1622, 2380, 3244, 4055, 5677, 8110, 10459, 11354, 13787, 16220, 20918, 22708, 27574, 28385, 41836, 52295, 55148, 56770, 68935, 73213, 96509, 104590, 113540, 137870, 146426, 177803, 193018, 209180, 275740, 292852, 355606, 366065, 386036, 482545, 711212, 732130, 889015, 965090, 1244621, 1464260, 1778030, 1930180, 2489242, 3556060, 4978484, 6223105, 8482249, 12446210, 16964498, 24892420, 33928996, 42411245, 59375743, 84822490, 118751486, 144198233, 169644980, 237502972, 288396466, 296878715, 576792932, 593757430, 720991165, 1009387631, 1187514860, 1441982330, 2018775262, 2883964660, 4037550524, 5046938155, 10093876310, 20187752620]

約数ペア:

[(1, 20187752620), (2, 10093876310), (4, 5046938155), (5, 4037550524), (7, 2883964660), (10, 2018775262), (14, 1441982330), (17, 1187514860), (20, 1009387631), (28, 720991165), (34, 593757430), (35, 576792932), (68, 296878715), (70, 288396466), (85, 237502972), (119, 169644980), (140, 144198233), (170, 118751486), (238, 84822490), (340, 59375743), (476, 42411245), (595, 33928996), (811, 24892420), (1190, 16964498), (1622, 12446210), (2380, 8482249), (3244, 6223105), (4055, 4978484), (5677, 3556060), (8110, 2489242), (10459, 1930180), (11354, 1778030), (13787, 1464260), (16220, 1244621), (20918, 965090), (22708, 889015), (27574, 732130), (28385, 711212), (41836, 482545), (52295, 386036), (55148, 366065), (56770, 355606), (68935, 292852), (73213, 275740), (96509, 209180), (104590, 193018), (113540, 177803), (137870, 146426)]