20731896

素因数分解:

$2^3\times 3^3\times {\mathrm{41}}^1\times {\mathrm{2341}}^1$

素因数の和:2397

約数の個数: 64

約数和(自身を含む): 59018400

約数和(自身を除く): 38286504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 82, 108, 123, 164, 216, 246, 328, 369, 492, 738, 984, 1107, 1476, 2214, 2341, 2952, 4428, 4682, 7023, 8856, 9364, 14046, 18728, 21069, 28092, 42138, 56184, 63207, 84276, 95981, 126414, 168552, 191962, 252828, 287943, 383924, 505656, 575886, 767848, 863829, 1151772, 1727658, 2303544, 2591487, 3455316, 5182974, 6910632, 10365948, 20731896]

約数ペア:

[(1, 20731896), (2, 10365948), (3, 6910632), (4, 5182974), (6, 3455316), (8, 2591487), (9, 2303544), (12, 1727658), (18, 1151772), (24, 863829), (27, 767848), (36, 575886), (41, 505656), (54, 383924), (72, 287943), (82, 252828), (108, 191962), (123, 168552), (164, 126414), (216, 95981), (246, 84276), (328, 63207), (369, 56184), (492, 42138), (738, 28092), (984, 21069), (1107, 18728), (1476, 14046), (2214, 9364), (2341, 8856), (2952, 7023), (4428, 4682)]