20163785580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{10589}}^1$

素因数の和:10824

約数の個数: 144

約数和(自身を含む): 62447112000

約数和(自身を除く): 42283326420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 149, 180, 213, 284, 298, 355, 426, 447, 596, 639, 710, 745, 852, 894, 1065, 1278, 1341, 1420, 1490, 1788, 2130, 2235, 2556, 2682, 2980, 3195, 4260, 4470, 5364, 6390, 6705, 8940, 10579, 10589, 12780, 13410, 21158, 21178, 26820, 31737, 31767, 42316, 42356, 52895, 52945, 63474, 63534, 95211, 95301, 105790, 105890, 126948, 127068, 158685, 158835, 190422, 190602, 211580, 211780, 317370, 317670, 380844, 381204, 476055, 476505, 634740, 635340, 751819, 952110, 953010, 1503638, 1577761, 1904220, 1906020, 2255457, 3007276, 3155522, 3759095, 4510914, 4733283, 6311044, 6766371, 7518190, 7888805, 9021828, 9466566, 11277285, 13532742, 14199849, 15036380, 15777610, 18933132, 22554570, 23666415, 27065484, 28399698, 31555220, 33831855, 45109140, 47332830, 56799396, 67663710, 70999245, 94665660, 112021031, 135327420, 141998490, 224042062, 283996980, 336063093, 448084124, 560105155, 672126186, 1008189279, 1120210310, 1344252372, 1680315465, 2016378558, 2240420620, 3360630930, 4032757116, 5040946395, 6721261860, 10081892790, 20163785580]

約数ペア:

[(1, 20163785580), (2, 10081892790), (3, 6721261860), (4, 5040946395), (5, 4032757116), (6, 3360630930), (9, 2240420620), (10, 2016378558), (12, 1680315465), (15, 1344252372), (18, 1120210310), (20, 1008189279), (30, 672126186), (36, 560105155), (45, 448084124), (60, 336063093), (71, 283996980), (90, 224042062), (142, 141998490), (149, 135327420), (180, 112021031), (213, 94665660), (284, 70999245), (298, 67663710), (355, 56799396), (426, 47332830), (447, 45109140), (596, 33831855), (639, 31555220), (710, 28399698), (745, 27065484), (852, 23666415), (894, 22554570), (1065, 18933132), (1278, 15777610), (1341, 15036380), (1420, 14199849), (1490, 13532742), (1788, 11277285), (2130, 9466566), (2235, 9021828), (2556, 7888805), (2682, 7518190), (2980, 6766371), (3195, 6311044), (4260, 4733283), (4470, 4510914), (5364, 3759095), (6390, 3155522), (6705, 3007276), (8940, 2255457), (10579, 1906020), (10589, 1904220), (12780, 1577761), (13410, 1503638), (21158, 953010), (21178, 952110), (26820, 751819), (31737, 635340), (31767, 634740), (42316, 476505), (42356, 476055), (52895, 381204), (52945, 380844), (63474, 317670), (63534, 317370), (95211, 211780), (95301, 211580), (105790, 190602), (105890, 190422), (126948, 158835), (127068, 158685)]