20495909522

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^2\times {\mathrm{317}}^1$

素因数の和:536

約数の個数: 72

約数和(自身を含む): 35032373964

約数和(自身を除く): 14536464442

約数列:

[1, 2, 11, 22, 53, 71, 106, 121, 142, 242, 317, 583, 634, 781, 1166, 1562, 3487, 3763, 5041, 6413, 6974, 7526, 8591, 10082, 12826, 16801, 17182, 22507, 33602, 38357, 41393, 45014, 55451, 76714, 82786, 110902, 184811, 247577, 267173, 369622, 455323, 495154, 534346, 609961, 910646, 1192871, 1219922, 1597997, 2032921, 2385742, 2723347, 2938903, 3195994, 4065842, 5446694, 5877806, 13121581, 17577967, 26243162, 32327933, 35155934, 64655866, 84693841, 144337391, 169387682, 193357637, 288674782, 386715274, 931632251, 1863264502, 10247954761, 20495909522]

約数ペア:

[(1, 20495909522), (2, 10247954761), (11, 1863264502), (22, 931632251), (53, 386715274), (71, 288674782), (106, 193357637), (121, 169387682), (142, 144337391), (242, 84693841), (317, 64655866), (583, 35155934), (634, 32327933), (781, 26243162), (1166, 17577967), (1562, 13121581), (3487, 5877806), (3763, 5446694), (5041, 4065842), (6413, 3195994), (6974, 2938903), (7526, 2723347), (8591, 2385742), (10082, 2032921), (12826, 1597997), (16801, 1219922), (17182, 1192871), (22507, 910646), (33602, 609961), (38357, 534346), (41393, 495154), (45014, 455323), (55451, 369622), (76714, 267173), (82786, 247577), (110902, 184811)]