20355888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1289}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 61424640

約数和(自身を除く): 41068752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 56, 84, 94, 112, 141, 168, 188, 282, 329, 336, 376, 564, 658, 752, 987, 1128, 1289, 1316, 1974, 2256, 2578, 2632, 3867, 3948, 5156, 5264, 7734, 7896, 9023, 10312, 15468, 15792, 18046, 20624, 27069, 30936, 36092, 54138, 60583, 61872, 72184, 108276, 121166, 144368, 181749, 216552, 242332, 363498, 424081, 433104, 484664, 726996, 848162, 969328, 1272243, 1453992, 1696324, 2544486, 2907984, 3392648, 5088972, 6785296, 10177944, 20355888]

約数ペア:

[(1, 20355888), (2, 10177944), (3, 6785296), (4, 5088972), (6, 3392648), (7, 2907984), (8, 2544486), (12, 1696324), (14, 1453992), (16, 1272243), (21, 969328), (24, 848162), (28, 726996), (42, 484664), (47, 433104), (48, 424081), (56, 363498), (84, 242332), (94, 216552), (112, 181749), (141, 144368), (168, 121166), (188, 108276), (282, 72184), (329, 61872), (336, 60583), (376, 54138), (564, 36092), (658, 30936), (752, 27069), (987, 20624), (1128, 18046), (1289, 15792), (1316, 15468), (1974, 10312), (2256, 9023), (2578, 7896), (2632, 7734), (3867, 5264), (3948, 5156)]