20129949580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{14869}}^1$

素因数の和:15059

約数の個数: 96

約数和(自身を含む): 47005378560

約数和(自身を除く): 26875428980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 127, 130, 164, 205, 254, 260, 410, 508, 533, 635, 820, 1066, 1270, 1651, 2132, 2540, 2665, 3302, 5207, 5330, 6604, 8255, 10414, 10660, 14869, 16510, 20828, 26035, 29738, 33020, 52070, 59476, 67691, 74345, 104140, 135382, 148690, 193297, 270764, 297380, 338455, 386594, 609629, 676910, 773188, 966485, 1219258, 1353820, 1888363, 1932970, 2438516, 3048145, 3776726, 3865940, 6096290, 7553452, 7925177, 9441815, 12192580, 15850354, 18883630, 24548719, 31700708, 37767260, 39625885, 49097438, 77422883, 79251770, 98194876, 122743595, 154845766, 158503540, 245487190, 309691532, 387114415, 490974380, 774228830, 1006497479, 1548457660, 2012994958, 4025989916, 5032487395, 10064974790, 20129949580]

約数ペア:

[(1, 20129949580), (2, 10064974790), (4, 5032487395), (5, 4025989916), (10, 2012994958), (13, 1548457660), (20, 1006497479), (26, 774228830), (41, 490974380), (52, 387114415), (65, 309691532), (82, 245487190), (127, 158503540), (130, 154845766), (164, 122743595), (205, 98194876), (254, 79251770), (260, 77422883), (410, 49097438), (508, 39625885), (533, 37767260), (635, 31700708), (820, 24548719), (1066, 18883630), (1270, 15850354), (1651, 12192580), (2132, 9441815), (2540, 7925177), (2665, 7553452), (3302, 6096290), (5207, 3865940), (5330, 3776726), (6604, 3048145), (8255, 2438516), (10414, 1932970), (10660, 1888363), (14869, 1353820), (16510, 1219258), (20828, 966485), (26035, 773188), (29738, 676910), (33020, 609629), (52070, 386594), (59476, 338455), (67691, 297380), (74345, 270764), (104140, 193297), (135382, 148690)]