20349994688

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{249779}}^1$

素因数の和:249877

約数の個数: 56

約数和(自身を含む): 43142001600

約数和(自身を除く): 22792006912

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 67, 76, 134, 152, 268, 304, 536, 608, 1072, 1216, 1273, 2144, 2546, 4288, 5092, 10184, 20368, 40736, 81472, 249779, 499558, 999116, 1998232, 3996464, 4745801, 7992928, 9491602, 15985856, 16735193, 18983204, 33470386, 37966408, 66940772, 75932816, 133881544, 151865632, 267763088, 303731264, 317968667, 535526176, 635937334, 1071052352, 1271874668, 2543749336, 5087498672, 10174997344, 20349994688]

約数ペア:

[(1, 20349994688), (2, 10174997344), (4, 5087498672), (8, 2543749336), (16, 1271874668), (19, 1071052352), (32, 635937334), (38, 535526176), (64, 317968667), (67, 303731264), (76, 267763088), (134, 151865632), (152, 133881544), (268, 75932816), (304, 66940772), (536, 37966408), (608, 33470386), (1072, 18983204), (1216, 16735193), (1273, 15985856), (2144, 9491602), (2546, 7992928), (4288, 4745801), (5092, 3996464), (10184, 1998232), (20368, 999116), (40736, 499558), (81472, 249779)]