20698062

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 52420608

約数和(自身を除く): 31722546

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 213, 231, 426, 462, 497, 631, 781, 994, 1262, 1491, 1562, 1893, 2343, 2982, 3786, 4417, 4686, 5467, 6941, 8834, 10934, 13251, 13882, 16401, 20823, 26502, 32802, 41646, 44801, 48587, 89602, 97174, 134403, 145761, 268806, 291522, 313607, 492811, 627214, 940821, 985622, 1478433, 1881642, 2956866, 3449677, 6899354, 10349031, 20698062]

約数ペア:

[(1, 20698062), (2, 10349031), (3, 6899354), (6, 3449677), (7, 2956866), (11, 1881642), (14, 1478433), (21, 985622), (22, 940821), (33, 627214), (42, 492811), (66, 313607), (71, 291522), (77, 268806), (142, 145761), (154, 134403), (213, 97174), (231, 89602), (426, 48587), (462, 44801), (497, 41646), (631, 32802), (781, 26502), (994, 20823), (1262, 16401), (1491, 13882), (1562, 13251), (1893, 10934), (2343, 8834), (2982, 6941), (3786, 5467), (4417, 4686)]