2021826820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1831}}^1$

素因数の和:2021

約数の個数: 96

約数和(自身を含む): 4756985856

約数和(自身を除く): 2735159036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 137, 155, 260, 274, 310, 403, 548, 620, 685, 806, 1370, 1612, 1781, 1831, 2015, 2740, 3562, 3662, 4030, 4247, 7124, 7324, 8060, 8494, 8905, 9155, 16988, 17810, 18310, 21235, 23803, 35620, 36620, 42470, 47606, 55211, 56761, 84940, 95212, 110422, 113522, 119015, 220844, 227044, 238030, 250847, 276055, 283805, 476060, 501694, 552110, 567610, 737893, 1003388, 1104220, 1135220, 1254235, 1475786, 2508470, 2951572, 3261011, 3689465, 5016940, 6522022, 7378930, 7776257, 13044044, 14757860, 15552514, 16305055, 31105028, 32610110, 38881285, 65220220, 77762570, 101091341, 155525140, 202182682, 404365364, 505456705, 1010913410, 2021826820]

約数ペア:

[(1, 2021826820), (2, 1010913410), (4, 505456705), (5, 404365364), (10, 202182682), (13, 155525140), (20, 101091341), (26, 77762570), (31, 65220220), (52, 38881285), (62, 32610110), (65, 31105028), (124, 16305055), (130, 15552514), (137, 14757860), (155, 13044044), (260, 7776257), (274, 7378930), (310, 6522022), (403, 5016940), (548, 3689465), (620, 3261011), (685, 2951572), (806, 2508470), (1370, 1475786), (1612, 1254235), (1781, 1135220), (1831, 1104220), (2015, 1003388), (2740, 737893), (3562, 567610), (3662, 552110), (4030, 501694), (4247, 476060), (7124, 283805), (7324, 276055), (8060, 250847), (8494, 238030), (8905, 227044), (9155, 220844), (16988, 119015), (17810, 113522), (18310, 110422), (21235, 95212), (23803, 84940), (35620, 56761), (36620, 55211), (42470, 47606)]