20218290070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{18287}}^1$

素因数の和:18370

約数の個数: 96

約数和(自身を含む): 43689300480

約数和(自身を除く): 23471010410

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 418, 437, 506, 529, 874, 1045, 1058, 1265, 2090, 2185, 2530, 2645, 4370, 4807, 5290, 5819, 9614, 10051, 11638, 18287, 20102, 24035, 29095, 36574, 48070, 50255, 58190, 91435, 100510, 110561, 182870, 201157, 221122, 347453, 402314, 420601, 552805, 694906, 841202, 1005785, 1105610, 1737265, 2011570, 2103005, 3474530, 3821983, 4206010, 4626611, 7643966, 7991419, 9253222, 9673823, 15982838, 19109915, 19347646, 23133055, 38219830, 39957095, 46266110, 48369115, 79914190, 87905609, 96738230, 106412053, 175811218, 183802637, 212824106, 367605274, 439528045, 532060265, 879056090, 919013185, 1064120530, 1838026370, 2021829007, 4043658014, 10109145035, 20218290070]

約数ペア:

[(1, 20218290070), (2, 10109145035), (5, 4043658014), (10, 2021829007), (11, 1838026370), (19, 1064120530), (22, 919013185), (23, 879056090), (38, 532060265), (46, 439528045), (55, 367605274), (95, 212824106), (110, 183802637), (115, 175811218), (190, 106412053), (209, 96738230), (230, 87905609), (253, 79914190), (418, 48369115), (437, 46266110), (506, 39957095), (529, 38219830), (874, 23133055), (1045, 19347646), (1058, 19109915), (1265, 15982838), (2090, 9673823), (2185, 9253222), (2530, 7991419), (2645, 7643966), (4370, 4626611), (4807, 4206010), (5290, 3821983), (5819, 3474530), (9614, 2103005), (10051, 2011570), (11638, 1737265), (18287, 1105610), (20102, 1005785), (24035, 841202), (29095, 694906), (36574, 552805), (48070, 420601), (50255, 402314), (58190, 347453), (91435, 221122), (100510, 201157), (110561, 182870)]