20666768980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{122477}}^1$

素因数の和:122569

約数の個数: 96

約数和(自身を含む): 51852286080

約数和(自身を除く): 31185517100

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 59, 65, 110, 118, 130, 143, 220, 236, 260, 286, 295, 572, 590, 649, 715, 767, 1180, 1298, 1430, 1534, 2596, 2860, 3068, 3245, 3835, 6490, 7670, 8437, 12980, 15340, 16874, 33748, 42185, 84370, 122477, 168740, 244954, 489908, 612385, 1224770, 1347247, 1592201, 2449540, 2694494, 3184402, 5388988, 6368804, 6736235, 7226143, 7961005, 13472470, 14452286, 15922010, 17514211, 26944940, 28904572, 31844020, 35028422, 36130715, 70056844, 72261430, 79487573, 87571055, 93939859, 144522860, 158975146, 175142110, 187879718, 317950292, 350284220, 375759436, 397437865, 469699295, 794875730, 939398590, 1033338449, 1589751460, 1878797180, 2066676898, 4133353796, 5166692245, 10333384490, 20666768980]

約数ペア:

[(1, 20666768980), (2, 10333384490), (4, 5166692245), (5, 4133353796), (10, 2066676898), (11, 1878797180), (13, 1589751460), (20, 1033338449), (22, 939398590), (26, 794875730), (44, 469699295), (52, 397437865), (55, 375759436), (59, 350284220), (65, 317950292), (110, 187879718), (118, 175142110), (130, 158975146), (143, 144522860), (220, 93939859), (236, 87571055), (260, 79487573), (286, 72261430), (295, 70056844), (572, 36130715), (590, 35028422), (649, 31844020), (715, 28904572), (767, 26944940), (1180, 17514211), (1298, 15922010), (1430, 14452286), (1534, 13472470), (2596, 7961005), (2860, 7226143), (3068, 6736235), (3245, 6368804), (3835, 5388988), (6490, 3184402), (7670, 2694494), (8437, 2449540), (12980, 1592201), (15340, 1347247), (16874, 1224770), (33748, 612385), (42185, 489908), (84370, 244954), (122477, 168740)]