20947752

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 65707200

約数和(自身を除く): 44759448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 89, 126, 168, 178, 252, 267, 356, 467, 504, 534, 623, 712, 801, 934, 1068, 1246, 1401, 1602, 1868, 1869, 2136, 2492, 2802, 3204, 3269, 3736, 3738, 4203, 4984, 5604, 5607, 6408, 6538, 7476, 8406, 9807, 11208, 11214, 13076, 14952, 16812, 19614, 22428, 26152, 29421, 33624, 39228, 41563, 44856, 58842, 78456, 83126, 117684, 124689, 166252, 235368, 249378, 290941, 332504, 374067, 498756, 581882, 748134, 872823, 997512, 1163764, 1496268, 1745646, 2327528, 2618469, 2992536, 3491292, 5236938, 6982584, 10473876, 20947752]

約数ペア:

[(1, 20947752), (2, 10473876), (3, 6982584), (4, 5236938), (6, 3491292), (7, 2992536), (8, 2618469), (9, 2327528), (12, 1745646), (14, 1496268), (18, 1163764), (21, 997512), (24, 872823), (28, 748134), (36, 581882), (42, 498756), (56, 374067), (63, 332504), (72, 290941), (84, 249378), (89, 235368), (126, 166252), (168, 124689), (178, 117684), (252, 83126), (267, 78456), (356, 58842), (467, 44856), (504, 41563), (534, 39228), (623, 33624), (712, 29421), (801, 26152), (934, 22428), (1068, 19614), (1246, 16812), (1401, 14952), (1602, 13076), (1868, 11214), (1869, 11208), (2136, 9807), (2492, 8406), (2802, 7476), (3204, 6538), (3269, 6408), (3736, 5607), (3738, 5604), (4203, 4984)]