20331784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 44582400

約数和(自身を除く): 24250616

約数列:

[1, 2, 4, 8, 11, 22, 29, 31, 44, 58, 62, 88, 116, 124, 232, 248, 257, 319, 341, 514, 638, 682, 899, 1028, 1276, 1364, 1798, 2056, 2552, 2728, 2827, 3596, 5654, 7192, 7453, 7967, 9889, 11308, 14906, 15934, 19778, 22616, 29812, 31868, 39556, 59624, 63736, 79112, 81983, 87637, 163966, 175274, 231043, 327932, 350548, 462086, 655864, 701096, 924172, 1848344, 2541473, 5082946, 10165892, 20331784]

約数ペア:

[(1, 20331784), (2, 10165892), (4, 5082946), (8, 2541473), (11, 1848344), (22, 924172), (29, 701096), (31, 655864), (44, 462086), (58, 350548), (62, 327932), (88, 231043), (116, 175274), (124, 163966), (232, 87637), (248, 81983), (257, 79112), (319, 63736), (341, 59624), (514, 39556), (638, 31868), (682, 29812), (899, 22616), (1028, 19778), (1276, 15934), (1364, 14906), (1798, 11308), (2056, 9889), (2552, 7967), (2728, 7453), (2827, 7192), (3596, 5654)]