20010230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 39831264

約数和(自身を除く): 19821034

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 241, 361, 437, 482, 722, 874, 1205, 1805, 2185, 2410, 3610, 4370, 4579, 5543, 8303, 9158, 11086, 16606, 22895, 27715, 41515, 45790, 55430, 83030, 87001, 105317, 174002, 210634, 435005, 526585, 870010, 1053170, 2001023, 4002046, 10005115, 20010230]

約数ペア:

[(1, 20010230), (2, 10005115), (5, 4002046), (10, 2001023), (19, 1053170), (23, 870010), (38, 526585), (46, 435005), (95, 210634), (115, 174002), (190, 105317), (230, 87001), (241, 83030), (361, 55430), (437, 45790), (482, 41515), (722, 27715), (874, 22895), (1205, 16606), (1805, 11086), (2185, 9158), (2410, 8303), (3610, 5543), (4370, 4579)]