20269690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 43711488

約数和(自身を除く): 23441798

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 61, 70, 94, 101, 122, 202, 235, 305, 329, 427, 470, 505, 610, 658, 707, 854, 1010, 1414, 1645, 2135, 2867, 3290, 3535, 4270, 4747, 5734, 6161, 7070, 9494, 12322, 14335, 20069, 23735, 28670, 30805, 33229, 40138, 43127, 47470, 61610, 66458, 86254, 100345, 166145, 200690, 215635, 289567, 332290, 431270, 579134, 1447835, 2026969, 2895670, 4053938, 10134845, 20269690]

約数ペア:

[(1, 20269690), (2, 10134845), (5, 4053938), (7, 2895670), (10, 2026969), (14, 1447835), (35, 579134), (47, 431270), (61, 332290), (70, 289567), (94, 215635), (101, 200690), (122, 166145), (202, 100345), (235, 86254), (305, 66458), (329, 61610), (427, 47470), (470, 43127), (505, 40138), (610, 33229), (658, 30805), (707, 28670), (854, 23735), (1010, 20069), (1414, 14335), (1645, 12322), (2135, 9494), (2867, 7070), (3290, 6161), (3535, 5734), (4270, 4747)]