20853662055

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1\times {\mathrm{1307}}^1$

素因数の和:2240

約数の個数: 64

約数和(自身を含む): 35387573760

約数和(自身を除く): 14533911705

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 853, 1247, 1307, 2559, 3741, 3921, 4265, 6235, 6535, 12795, 18705, 19605, 24737, 36679, 37903, 56201, 74211, 110037, 113709, 123685, 168603, 183395, 189515, 281005, 371055, 550185, 568545, 843015, 1063691, 1114871, 1629829, 3191073, 3344613, 4889487, 5318455, 5574355, 8149145, 15955365, 16723065, 24447435, 32331259, 47939453, 96993777, 143818359, 161656295, 239697265, 484968885, 719091795, 1390244137, 4170732411, 6951220685, 20853662055]

約数ペア:

[(1, 20853662055), (3, 6951220685), (5, 4170732411), (15, 1390244137), (29, 719091795), (43, 484968885), (87, 239697265), (129, 161656295), (145, 143818359), (215, 96993777), (435, 47939453), (645, 32331259), (853, 24447435), (1247, 16723065), (1307, 15955365), (2559, 8149145), (3741, 5574355), (3921, 5318455), (4265, 4889487), (6235, 3344613), (6535, 3191073), (12795, 1629829), (18705, 1114871), (19605, 1063691), (24737, 843015), (36679, 568545), (37903, 550185), (56201, 371055), (74211, 281005), (110037, 189515), (113709, 183395), (123685, 168603)]