20197573552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^2\times {\mathrm{15559}}^1$

素因数の和:15738

約数の個数: 60

約数和(自身を含む): 42685965840

約数和(自身を除く): 22488392288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 6241, 8216, 12482, 15559, 16432, 24964, 31118, 49928, 62236, 81133, 99856, 124472, 162266, 202267, 248944, 324532, 404534, 649064, 809068, 1229161, 1298128, 1618136, 2458322, 3236272, 4916644, 9833288, 15979093, 19666576, 31958186, 63916372, 97103719, 127832744, 194207438, 255665488, 388414876, 776829752, 1262348347, 1553659504, 2524696694, 5049393388, 10098786776, 20197573552]

約数ペア:

[(1, 20197573552), (2, 10098786776), (4, 5049393388), (8, 2524696694), (13, 1553659504), (16, 1262348347), (26, 776829752), (52, 388414876), (79, 255665488), (104, 194207438), (158, 127832744), (208, 97103719), (316, 63916372), (632, 31958186), (1027, 19666576), (1264, 15979093), (2054, 9833288), (4108, 4916644), (6241, 3236272), (8216, 2458322), (12482, 1618136), (15559, 1298128), (16432, 1229161), (24964, 809068), (31118, 649064), (49928, 404534), (62236, 324532), (81133, 248944), (99856, 202267), (124472, 162266)]