20175377552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{272287}}^1$

素因数の和:272727

約数の個数: 40

約数和(自身を含む): 42744859392

約数和(自身を除く): 22569481840

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 421, 842, 1684, 3368, 4631, 6736, 9262, 18524, 37048, 74096, 272287, 544574, 1089148, 2178296, 2995157, 4356592, 5990314, 11980628, 23961256, 47922512, 114632827, 229265654, 458531308, 917062616, 1260961097, 1834125232, 2521922194, 5043844388, 10087688776, 20175377552]

約数ペア:

[(1, 20175377552), (2, 10087688776), (4, 5043844388), (8, 2521922194), (11, 1834125232), (16, 1260961097), (22, 917062616), (44, 458531308), (88, 229265654), (176, 114632827), (421, 47922512), (842, 23961256), (1684, 11980628), (3368, 5990314), (4631, 4356592), (6736, 2995157), (9262, 2178296), (18524, 1089148), (37048, 544574), (74096, 272287)]