20453670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 57081024

約数和(自身を除く): 36627354

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 41, 45, 46, 69, 82, 90, 115, 123, 138, 205, 207, 230, 241, 246, 345, 369, 410, 414, 482, 615, 690, 723, 738, 943, 1035, 1205, 1230, 1446, 1845, 1886, 2070, 2169, 2410, 2829, 3615, 3690, 4338, 4715, 5543, 5658, 7230, 8487, 9430, 9881, 10845, 11086, 14145, 16629, 16974, 19762, 21690, 27715, 28290, 29643, 33258, 42435, 49405, 49887, 55430, 59286, 83145, 84870, 88929, 98810, 99774, 148215, 166290, 177858, 227263, 249435, 296430, 444645, 454526, 498870, 681789, 889290, 1136315, 1363578, 2045367, 2272630, 3408945, 4090734, 6817890, 10226835, 20453670]

約数ペア:

[(1, 20453670), (2, 10226835), (3, 6817890), (5, 4090734), (6, 3408945), (9, 2272630), (10, 2045367), (15, 1363578), (18, 1136315), (23, 889290), (30, 681789), (41, 498870), (45, 454526), (46, 444645), (69, 296430), (82, 249435), (90, 227263), (115, 177858), (123, 166290), (138, 148215), (205, 99774), (207, 98810), (230, 88929), (241, 84870), (246, 83145), (345, 59286), (369, 55430), (410, 49887), (414, 49405), (482, 42435), (615, 33258), (690, 29643), (723, 28290), (738, 27715), (943, 21690), (1035, 19762), (1205, 16974), (1230, 16629), (1446, 14145), (1845, 11086), (1886, 10845), (2070, 9881), (2169, 9430), (2410, 8487), (2829, 7230), (3615, 5658), (3690, 5543), (4338, 4715)]