20810361352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{541}}^1\times {\mathrm{839}}^1$

素因数の和:1918

約数の個数: 64

約数和(自身を含む): 42778108800

約数和(自身を除く): 21967747448

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 521, 541, 839, 1042, 1082, 1678, 2084, 2164, 3356, 4168, 4328, 5731, 5951, 6712, 9229, 11462, 11902, 18458, 22924, 23804, 36916, 45848, 47608, 73832, 281861, 437119, 453899, 563722, 874238, 907798, 1127444, 1748476, 1815596, 2254888, 3100471, 3496952, 3631192, 4808309, 4992889, 6200942, 9616618, 9985778, 12401884, 19233236, 19971556, 24803768, 38466472, 39943112, 236481379, 472962758, 945925516, 1891851032, 2601295169, 5202590338, 10405180676, 20810361352]

約数ペア:

[(1, 20810361352), (2, 10405180676), (4, 5202590338), (8, 2601295169), (11, 1891851032), (22, 945925516), (44, 472962758), (88, 236481379), (521, 39943112), (541, 38466472), (839, 24803768), (1042, 19971556), (1082, 19233236), (1678, 12401884), (2084, 9985778), (2164, 9616618), (3356, 6200942), (4168, 4992889), (4328, 4808309), (5731, 3631192), (5951, 3496952), (6712, 3100471), (9229, 2254888), (11462, 1815596), (11902, 1748476), (18458, 1127444), (22924, 907798), (23804, 874238), (36916, 563722), (45848, 453899), (47608, 437119), (73832, 281861)]