20224672

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 43637832

約数和(自身を除く): 23413160

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 797, 976, 1586, 1594, 1952, 3172, 3188, 6344, 6376, 10361, 12688, 12752, 20722, 25376, 25504, 41444, 48617, 82888, 97234, 165776, 194468, 331552, 388936, 632021, 777872, 1264042, 1555744, 2528084, 5056168, 10112336, 20224672]

約数ペア:

[(1, 20224672), (2, 10112336), (4, 5056168), (8, 2528084), (13, 1555744), (16, 1264042), (26, 777872), (32, 632021), (52, 388936), (61, 331552), (104, 194468), (122, 165776), (208, 97234), (244, 82888), (416, 48617), (488, 41444), (793, 25504), (797, 25376), (976, 20722), (1586, 12752), (1594, 12688), (1952, 10361), (3172, 6376), (3188, 6344)]