20676474

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{971}}^1$

素因数の和:1012

約数の個数: 72

約数和(自身を含む): 55497312

約数和(自身を除く): 34820838

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 169, 182, 234, 273, 338, 507, 546, 819, 971, 1014, 1183, 1521, 1638, 1942, 2366, 2913, 3042, 3549, 5826, 6797, 7098, 8739, 10647, 12623, 13594, 17478, 20391, 21294, 25246, 37869, 40782, 61173, 75738, 88361, 113607, 122346, 164099, 176722, 227214, 265083, 328198, 492297, 530166, 795249, 984594, 1148693, 1476891, 1590498, 2297386, 2953782, 3446079, 6892158, 10338237, 20676474]

約数ペア:

[(1, 20676474), (2, 10338237), (3, 6892158), (6, 3446079), (7, 2953782), (9, 2297386), (13, 1590498), (14, 1476891), (18, 1148693), (21, 984594), (26, 795249), (39, 530166), (42, 492297), (63, 328198), (78, 265083), (91, 227214), (117, 176722), (126, 164099), (169, 122346), (182, 113607), (234, 88361), (273, 75738), (338, 61173), (507, 40782), (546, 37869), (819, 25246), (971, 21294), (1014, 20391), (1183, 17478), (1521, 13594), (1638, 12623), (1942, 10647), (2366, 8739), (2913, 7098), (3042, 6797), (3549, 5826)]