20238780975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{12281}}^1$

素因数の和:12417

約数の個数: 96

約数和(自身を含む): 39670270464

約数和(自身を除く): 19431489489

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 73, 75, 105, 129, 175, 215, 219, 301, 365, 511, 525, 645, 903, 1075, 1095, 1505, 1533, 1825, 2555, 3139, 3225, 4515, 5475, 7525, 7665, 9417, 12281, 12775, 15695, 21973, 22575, 36843, 38325, 47085, 61405, 65919, 78475, 85967, 109865, 184215, 235425, 257901, 307025, 329595, 429835, 528083, 549325, 896513, 921075, 1289505, 1584249, 1647975, 2149175, 2640415, 2689539, 3696581, 4482565, 6275591, 6447525, 7921245, 11089743, 13202075, 13447695, 18482905, 18826773, 22412825, 31377955, 38550059, 39606225, 55448715, 67238475, 92414525, 94133865, 115650177, 156889775, 192750295, 269850413, 277243575, 470669325, 578250885, 809551239, 963751475, 1349252065, 2891254425, 4047756195, 6746260325, 20238780975]

約数ペア:

[(1, 20238780975), (3, 6746260325), (5, 4047756195), (7, 2891254425), (15, 1349252065), (21, 963751475), (25, 809551239), (35, 578250885), (43, 470669325), (73, 277243575), (75, 269850413), (105, 192750295), (129, 156889775), (175, 115650177), (215, 94133865), (219, 92414525), (301, 67238475), (365, 55448715), (511, 39606225), (525, 38550059), (645, 31377955), (903, 22412825), (1075, 18826773), (1095, 18482905), (1505, 13447695), (1533, 13202075), (1825, 11089743), (2555, 7921245), (3139, 6447525), (3225, 6275591), (4515, 4482565), (5475, 3696581), (7525, 2689539), (7665, 2640415), (9417, 2149175), (12281, 1647975), (12775, 1584249), (15695, 1289505), (21973, 921075), (22575, 896513), (36843, 549325), (38325, 528083), (47085, 429835), (61405, 329595), (65919, 307025), (78475, 257901), (85967, 235425), (109865, 184215)]