20054268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 55434288

約数和(自身を除く): 35380020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 587, 657, 876, 949, 1174, 1314, 1761, 1898, 2348, 2628, 2847, 3522, 3796, 5283, 5694, 7044, 7631, 8541, 10566, 11388, 15262, 17082, 21132, 22893, 30524, 34164, 42851, 45786, 68679, 85702, 91572, 128553, 137358, 171404, 257106, 274716, 385659, 514212, 557063, 771318, 1114126, 1542636, 1671189, 2228252, 3342378, 5013567, 6684756, 10027134, 20054268]

約数ペア:

[(1, 20054268), (2, 10027134), (3, 6684756), (4, 5013567), (6, 3342378), (9, 2228252), (12, 1671189), (13, 1542636), (18, 1114126), (26, 771318), (36, 557063), (39, 514212), (52, 385659), (73, 274716), (78, 257106), (117, 171404), (146, 137358), (156, 128553), (219, 91572), (234, 85702), (292, 68679), (438, 45786), (468, 42851), (587, 34164), (657, 30524), (876, 22893), (949, 21132), (1174, 17082), (1314, 15262), (1761, 11388), (1898, 10566), (2348, 8541), (2628, 7631), (2847, 7044), (3522, 5694), (3796, 5283)]