20450196

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 57222984

約数和(自身を除く): 36772788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1181, 1332, 1443, 1924, 2362, 2886, 3543, 4329, 4724, 5772, 7086, 8658, 10629, 14172, 15353, 17316, 21258, 30706, 42516, 43697, 46059, 61412, 87394, 92118, 131091, 138177, 174788, 184236, 262182, 276354, 393273, 524364, 552708, 568061, 786546, 1136122, 1573092, 1704183, 2272244, 3408366, 5112549, 6816732, 10225098, 20450196]

約数ペア:

[(1, 20450196), (2, 10225098), (3, 6816732), (4, 5112549), (6, 3408366), (9, 2272244), (12, 1704183), (13, 1573092), (18, 1136122), (26, 786546), (36, 568061), (37, 552708), (39, 524364), (52, 393273), (74, 276354), (78, 262182), (111, 184236), (117, 174788), (148, 138177), (156, 131091), (222, 92118), (234, 87394), (333, 61412), (444, 46059), (468, 43697), (481, 42516), (666, 30706), (962, 21258), (1181, 17316), (1332, 15353), (1443, 14172), (1924, 10629), (2362, 8658), (2886, 7086), (3543, 5772), (4329, 4724)]