20120465540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1097081}}^1$

素因数の和:1097228

約数の個数: 48

約数和(自身を含む): 48657780864

約数和(自身を除く): 28537315324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 18340, 1097081, 2194162, 4388324, 5485405, 7679567, 10970810, 15359134, 21941620, 30718268, 38397835, 76795670, 143717611, 153591340, 287435222, 574870444, 718588055, 1006023277, 1437176110, 2012046554, 2874352220, 4024093108, 5030116385, 10060232770, 20120465540]

約数ペア:

[(1, 20120465540), (2, 10060232770), (4, 5030116385), (5, 4024093108), (7, 2874352220), (10, 2012046554), (14, 1437176110), (20, 1006023277), (28, 718588055), (35, 574870444), (70, 287435222), (131, 153591340), (140, 143717611), (262, 76795670), (524, 38397835), (655, 30718268), (917, 21941620), (1310, 15359134), (1834, 10970810), (2620, 7679567), (3668, 5485405), (4585, 4388324), (9170, 2194162), (18340, 1097081)]