20732922

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 80

約数和(自身を含む): 54362880

約数和(自身を除く): 33629958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 81, 94, 126, 141, 162, 189, 282, 329, 378, 389, 423, 567, 658, 778, 846, 987, 1134, 1167, 1269, 1974, 2334, 2538, 2723, 2961, 3501, 3807, 5446, 5922, 7002, 7614, 8169, 8883, 10503, 16338, 17766, 18283, 21006, 24507, 26649, 31509, 36566, 49014, 53298, 54849, 63018, 73521, 109698, 127981, 147042, 164547, 220563, 255962, 329094, 383943, 441126, 493641, 767886, 987282, 1151829, 1480923, 2303658, 2961846, 3455487, 6910974, 10366461, 20732922]

約数ペア:

[(1, 20732922), (2, 10366461), (3, 6910974), (6, 3455487), (7, 2961846), (9, 2303658), (14, 1480923), (18, 1151829), (21, 987282), (27, 767886), (42, 493641), (47, 441126), (54, 383943), (63, 329094), (81, 255962), (94, 220563), (126, 164547), (141, 147042), (162, 127981), (189, 109698), (282, 73521), (329, 63018), (378, 54849), (389, 53298), (423, 49014), (567, 36566), (658, 31509), (778, 26649), (846, 24507), (987, 21006), (1134, 18283), (1167, 17766), (1269, 16338), (1974, 10503), (2334, 8883), (2538, 8169), (2723, 7614), (2961, 7002), (3501, 5922), (3807, 5446)]