20218490170

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{10331}}^1$

素因数の和:10555

約数の個数: 64

約数和(自身を含む): 38849642496

約数和(自身を除く): 18631152326

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 127, 134, 230, 254, 335, 635, 670, 1270, 1541, 2921, 3082, 5842, 7705, 8509, 10331, 14605, 15410, 17018, 20662, 29210, 42545, 51655, 85090, 103310, 195707, 237613, 391414, 475226, 692177, 978535, 1188065, 1312037, 1384354, 1957070, 2376130, 2624074, 3460885, 6560185, 6921770, 13120370, 15920071, 30176851, 31840142, 60353702, 79600355, 87906479, 150884255, 159200710, 175812958, 301768510, 439532395, 879064790, 2021849017, 4043698034, 10109245085, 20218490170]

約数ペア:

[(1, 20218490170), (2, 10109245085), (5, 4043698034), (10, 2021849017), (23, 879064790), (46, 439532395), (67, 301768510), (115, 175812958), (127, 159200710), (134, 150884255), (230, 87906479), (254, 79600355), (335, 60353702), (635, 31840142), (670, 30176851), (1270, 15920071), (1541, 13120370), (2921, 6921770), (3082, 6560185), (5842, 3460885), (7705, 2624074), (8509, 2376130), (10331, 1957070), (14605, 1384354), (15410, 1312037), (17018, 1188065), (20662, 978535), (29210, 692177), (42545, 475226), (51655, 391414), (85090, 237613), (103310, 195707)]