20155957864

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2083}}^1\times {\mathrm{2579}}^1$

素因数の和:4742

約数の個数: 64

約数和(自身を含む): 43874035200

約数和(自身を除く): 23718077336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 2083, 2579, 3752, 4166, 5158, 8332, 10316, 14581, 16664, 18053, 20632, 29162, 36106, 58324, 72212, 116648, 139561, 144424, 172793, 279122, 345586, 558244, 691172, 976927, 1116488, 1209551, 1382344, 1953854, 2419102, 3907708, 4838204, 5372057, 7815416, 9676408, 10744114, 21488228, 37604399, 42976456, 75208798, 150417596, 300835192, 359927819, 719855638, 1439711276, 2519494733, 2879422552, 5038989466, 10077978932, 20155957864]

約数ペア:

[(1, 20155957864), (2, 10077978932), (4, 5038989466), (7, 2879422552), (8, 2519494733), (14, 1439711276), (28, 719855638), (56, 359927819), (67, 300835192), (134, 150417596), (268, 75208798), (469, 42976456), (536, 37604399), (938, 21488228), (1876, 10744114), (2083, 9676408), (2579, 7815416), (3752, 5372057), (4166, 4838204), (5158, 3907708), (8332, 2419102), (10316, 1953854), (14581, 1382344), (16664, 1209551), (18053, 1116488), (20632, 976927), (29162, 691172), (36106, 558244), (58324, 345586), (72212, 279122), (116648, 172793), (139561, 144424)]