20218557056

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{24677}}^1$

素因数の和:24901

約数の個数: 64

約数和(自身を含む): 41608588680

約数和(自身を除く): 21390031624

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 173, 296, 346, 592, 692, 1184, 1384, 2368, 2768, 4736, 5536, 6401, 11072, 12802, 22144, 24677, 25604, 49354, 51208, 98708, 102416, 197416, 204832, 394832, 409664, 789664, 819328, 913049, 1579328, 1826098, 3158656, 3652196, 4269121, 7304392, 8538242, 14608784, 17076484, 29217568, 34152968, 58435136, 68305936, 116870272, 136611872, 157957477, 273223744, 315914954, 546447488, 631829908, 1263659816, 2527319632, 5054639264, 10109278528, 20218557056]

約数ペア:

[(1, 20218557056), (2, 10109278528), (4, 5054639264), (8, 2527319632), (16, 1263659816), (32, 631829908), (37, 546447488), (64, 315914954), (74, 273223744), (128, 157957477), (148, 136611872), (173, 116870272), (296, 68305936), (346, 58435136), (592, 34152968), (692, 29217568), (1184, 17076484), (1384, 14608784), (2368, 8538242), (2768, 7304392), (4736, 4269121), (5536, 3652196), (6401, 3158656), (11072, 1826098), (12802, 1579328), (22144, 913049), (24677, 819328), (25604, 789664), (49354, 409664), (51208, 394832), (98708, 204832), (102416, 197416)]