20345052910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{86993}}^1$

素因数の和:87277

約数の個数: 64

約数和(自身を含む): 45248015232

約数和(自身を除く): 24902962322

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 257, 455, 514, 910, 1285, 1799, 2570, 3341, 3598, 6682, 8995, 16705, 17990, 23387, 33410, 46774, 86993, 116935, 173986, 233870, 434965, 608951, 869930, 1130909, 1217902, 2261818, 3044755, 5654545, 6089510, 7916363, 11309090, 15832726, 22357201, 39581815, 44714402, 79163630, 111786005, 156500407, 223572010, 290643613, 313000814, 581287226, 782502035, 1453218065, 1565004070, 2034505291, 2906436130, 4069010582, 10172526455, 20345052910]

約数ペア:

[(1, 20345052910), (2, 10172526455), (5, 4069010582), (7, 2906436130), (10, 2034505291), (13, 1565004070), (14, 1453218065), (26, 782502035), (35, 581287226), (65, 313000814), (70, 290643613), (91, 223572010), (130, 156500407), (182, 111786005), (257, 79163630), (455, 44714402), (514, 39581815), (910, 22357201), (1285, 15832726), (1799, 11309090), (2570, 7916363), (3341, 6089510), (3598, 5654545), (6682, 3044755), (8995, 2261818), (16705, 1217902), (17990, 1130909), (23387, 869930), (33410, 608951), (46774, 434965), (86993, 233870), (116935, 173986)]