20040696

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 61949160

約数和(自身を除く): 41908464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 61, 72, 78, 81, 104, 108, 117, 122, 156, 162, 169, 183, 216, 234, 243, 244, 312, 324, 338, 351, 366, 468, 486, 488, 507, 549, 648, 676, 702, 732, 793, 936, 972, 1014, 1053, 1098, 1352, 1404, 1464, 1521, 1586, 1647, 1944, 2028, 2106, 2196, 2379, 2808, 3042, 3159, 3172, 3294, 4056, 4212, 4392, 4563, 4758, 4941, 6084, 6318, 6344, 6588, 7137, 8424, 9126, 9516, 9882, 10309, 12168, 12636, 13176, 13689, 14274, 14823, 18252, 19032, 19764, 20618, 21411, 25272, 27378, 28548, 29646, 30927, 36504, 39528, 41067, 41236, 42822, 54756, 57096, 59292, 61854, 64233, 82134, 82472, 85644, 92781, 109512, 118584, 123708, 128466, 164268, 171288, 185562, 192699, 247416, 256932, 278343, 328536, 371124, 385398, 513864, 556686, 742248, 770796, 835029, 1113372, 1541592, 1670058, 2226744, 2505087, 3340116, 5010174, 6680232, 10020348, 20040696]

約数ペア:

[(1, 20040696), (2, 10020348), (3, 6680232), (4, 5010174), (6, 3340116), (8, 2505087), (9, 2226744), (12, 1670058), (13, 1541592), (18, 1113372), (24, 835029), (26, 770796), (27, 742248), (36, 556686), (39, 513864), (52, 385398), (54, 371124), (61, 328536), (72, 278343), (78, 256932), (81, 247416), (104, 192699), (108, 185562), (117, 171288), (122, 164268), (156, 128466), (162, 123708), (169, 118584), (183, 109512), (216, 92781), (234, 85644), (243, 82472), (244, 82134), (312, 64233), (324, 61854), (338, 59292), (351, 57096), (366, 54756), (468, 42822), (486, 41236), (488, 41067), (507, 39528), (549, 36504), (648, 30927), (676, 29646), (702, 28548), (732, 27378), (793, 25272), (936, 21411), (972, 20618), (1014, 19764), (1053, 19032), (1098, 18252), (1352, 14823), (1404, 14274), (1464, 13689), (1521, 13176), (1586, 12636), (1647, 12168), (1944, 10309), (2028, 9882), (2106, 9516), (2196, 9126), (2379, 8424), (2808, 7137), (3042, 6588), (3159, 6344), (3172, 6318), (3294, 6084), (4056, 4941), (4212, 4758), (4392, 4563)]