20512971324

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{72707}}^1$

素因数の和:73195

約数の個数: 72

約数和(自身を含む): 55022215248

約数和(自身を除く): 34509243924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 461, 612, 922, 1383, 1844, 2766, 4149, 5532, 7837, 8298, 15674, 16596, 23511, 31348, 47022, 70533, 72707, 94044, 141066, 145414, 218121, 282132, 290828, 436242, 654363, 872484, 1236019, 1308726, 2472038, 2617452, 3708057, 4944076, 7416114, 11124171, 14832228, 22248342, 33517927, 44496684, 67035854, 100553781, 134071708, 201107562, 301661343, 402215124, 569804759, 603322686, 1139609518, 1206645372, 1709414277, 2279219036, 3418828554, 5128242831, 6837657108, 10256485662, 20512971324]

約数ペア:

[(1, 20512971324), (2, 10256485662), (3, 6837657108), (4, 5128242831), (6, 3418828554), (9, 2279219036), (12, 1709414277), (17, 1206645372), (18, 1139609518), (34, 603322686), (36, 569804759), (51, 402215124), (68, 301661343), (102, 201107562), (153, 134071708), (204, 100553781), (306, 67035854), (461, 44496684), (612, 33517927), (922, 22248342), (1383, 14832228), (1844, 11124171), (2766, 7416114), (4149, 4944076), (5532, 3708057), (7837, 2617452), (8298, 2472038), (15674, 1308726), (16596, 1236019), (23511, 872484), (31348, 654363), (47022, 436242), (70533, 290828), (72707, 282132), (94044, 218121), (141066, 145414)]