20121664020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1\times {\mathrm{2521}}^1$

素因数の和:3641

約数の個数: 96

約数和(自身を含む): 56832886656

約数和(自身を除く): 36711222636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 971, 1370, 1644, 1942, 2055, 2521, 2740, 2913, 3884, 4110, 4855, 5042, 5826, 7563, 8220, 9710, 10084, 11652, 12605, 14565, 15126, 19420, 25210, 29130, 30252, 37815, 50420, 58260, 75630, 133027, 151260, 266054, 345377, 399081, 532108, 665135, 690754, 798162, 1036131, 1330270, 1381508, 1596324, 1726885, 1995405, 2072262, 2447891, 2660540, 3453770, 3990810, 4144524, 4895782, 5180655, 6907540, 7343673, 7981620, 9791564, 10361310, 12239455, 14687346, 20722620, 24478910, 29374692, 36718365, 48957820, 73436730, 146873460, 335361067, 670722134, 1006083201, 1341444268, 1676805335, 2012166402, 3353610670, 4024332804, 5030416005, 6707221340, 10060832010, 20121664020]

約数ペア:

[(1, 20121664020), (2, 10060832010), (3, 6707221340), (4, 5030416005), (5, 4024332804), (6, 3353610670), (10, 2012166402), (12, 1676805335), (15, 1341444268), (20, 1006083201), (30, 670722134), (60, 335361067), (137, 146873460), (274, 73436730), (411, 48957820), (548, 36718365), (685, 29374692), (822, 24478910), (971, 20722620), (1370, 14687346), (1644, 12239455), (1942, 10361310), (2055, 9791564), (2521, 7981620), (2740, 7343673), (2913, 6907540), (3884, 5180655), (4110, 4895782), (4855, 4144524), (5042, 3990810), (5826, 3453770), (7563, 2660540), (8220, 2447891), (9710, 2072262), (10084, 1995405), (11652, 1726885), (12605, 1596324), (14565, 1381508), (15126, 1330270), (19420, 1036131), (25210, 798162), (29130, 690754), (30252, 665135), (37815, 532108), (50420, 399081), (58260, 345377), (75630, 266054), (133027, 151260)]