20163455028

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{757}}^1\times {\mathrm{19997}}^1$

素因数の和:20801

約数の個数: 72

約数和(自身を含む): 52418037672

約数和(自身を除く): 32254582644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 757, 1332, 1514, 2271, 3028, 4542, 6813, 9084, 13626, 19997, 27252, 28009, 39994, 56018, 59991, 79988, 84027, 112036, 119982, 168054, 179973, 239964, 252081, 336108, 359946, 504162, 719892, 739889, 1008324, 1479778, 2219667, 2959556, 4439334, 6659001, 8878668, 13318002, 15137729, 26636004, 30275458, 45413187, 60550916, 90826374, 136239561, 181652748, 272479122, 544958244, 560095973, 1120191946, 1680287919, 2240383892, 3360575838, 5040863757, 6721151676, 10081727514, 20163455028]

約数ペア:

[(1, 20163455028), (2, 10081727514), (3, 6721151676), (4, 5040863757), (6, 3360575838), (9, 2240383892), (12, 1680287919), (18, 1120191946), (36, 560095973), (37, 544958244), (74, 272479122), (111, 181652748), (148, 136239561), (222, 90826374), (333, 60550916), (444, 45413187), (666, 30275458), (757, 26636004), (1332, 15137729), (1514, 13318002), (2271, 8878668), (3028, 6659001), (4542, 4439334), (6813, 2959556), (9084, 2219667), (13626, 1479778), (19997, 1008324), (27252, 739889), (28009, 719892), (39994, 504162), (56018, 359946), (59991, 336108), (79988, 252081), (84027, 239964), (112036, 179973), (119982, 168054)]