20215693085

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{2393}}^1$

素因数の和:2511

約数の個数: 72

約数和(自身を含む): 29951439336

約数和(自身を除く): 9735746251

約数列:

[1, 5, 7, 29, 35, 41, 49, 145, 203, 205, 245, 287, 841, 1015, 1189, 1421, 1435, 2009, 2393, 4205, 5887, 5945, 7105, 8323, 10045, 11965, 16751, 29435, 34481, 41209, 41615, 58261, 69397, 83755, 98113, 117257, 172405, 206045, 241367, 291305, 346985, 485779, 490565, 586285, 686791, 1206835, 1689569, 2012513, 2428895, 2845277, 3400453, 3433955, 4807537, 8447845, 10062565, 14087591, 14226385, 17002265, 19916939, 24037685, 70437955, 82513033, 98613137, 99584695, 139418573, 412565165, 493065685, 577591231, 697092865, 2887956155, 4043138617, 20215693085]

約数ペア:

[(1, 20215693085), (5, 4043138617), (7, 2887956155), (29, 697092865), (35, 577591231), (41, 493065685), (49, 412565165), (145, 139418573), (203, 99584695), (205, 98613137), (245, 82513033), (287, 70437955), (841, 24037685), (1015, 19916939), (1189, 17002265), (1421, 14226385), (1435, 14087591), (2009, 10062565), (2393, 8447845), (4205, 4807537), (5887, 3433955), (5945, 3400453), (7105, 2845277), (8323, 2428895), (10045, 2012513), (11965, 1689569), (16751, 1206835), (29435, 686791), (34481, 586285), (41209, 490565), (41615, 485779), (58261, 346985), (69397, 291305), (83755, 241367), (98113, 206045), (117257, 172405)]