20693892

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 28980348

約数列:

[1, 2, 3, 4, 6, 12, 79, 83, 158, 166, 237, 249, 263, 316, 332, 474, 498, 526, 789, 948, 996, 1052, 1578, 3156, 6557, 13114, 19671, 20777, 21829, 26228, 39342, 41554, 43658, 62331, 65487, 78684, 83108, 87316, 124662, 130974, 249324, 261948, 1724491, 3448982, 5173473, 6897964, 10346946, 20693892]

約数ペア:

[(1, 20693892), (2, 10346946), (3, 6897964), (4, 5173473), (6, 3448982), (12, 1724491), (79, 261948), (83, 249324), (158, 130974), (166, 124662), (237, 87316), (249, 83108), (263, 78684), (316, 65487), (332, 62331), (474, 43658), (498, 41554), (526, 39342), (789, 26228), (948, 21829), (996, 20777), (1052, 19671), (1578, 13114), (3156, 6557)]