20666088

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 59304960

約数和(自身を除く): 38638872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 47, 62, 72, 93, 94, 124, 141, 186, 188, 197, 248, 279, 282, 372, 376, 394, 423, 558, 564, 591, 744, 788, 846, 1116, 1128, 1182, 1457, 1576, 1692, 1773, 2232, 2364, 2914, 3384, 3546, 4371, 4728, 5828, 6107, 7092, 8742, 9259, 11656, 12214, 13113, 14184, 17484, 18321, 18518, 24428, 26226, 27777, 34968, 36642, 37036, 48856, 52452, 54963, 55554, 73284, 74072, 83331, 104904, 109926, 111108, 146568, 166662, 219852, 222216, 287029, 333324, 439704, 574058, 666648, 861087, 1148116, 1722174, 2296232, 2583261, 3444348, 5166522, 6888696, 10333044, 20666088]

約数ペア:

[(1, 20666088), (2, 10333044), (3, 6888696), (4, 5166522), (6, 3444348), (8, 2583261), (9, 2296232), (12, 1722174), (18, 1148116), (24, 861087), (31, 666648), (36, 574058), (47, 439704), (62, 333324), (72, 287029), (93, 222216), (94, 219852), (124, 166662), (141, 146568), (186, 111108), (188, 109926), (197, 104904), (248, 83331), (279, 74072), (282, 73284), (372, 55554), (376, 54963), (394, 52452), (423, 48856), (558, 37036), (564, 36642), (591, 34968), (744, 27777), (788, 26226), (846, 24428), (1116, 18518), (1128, 18321), (1182, 17484), (1457, 14184), (1576, 13113), (1692, 12214), (1773, 11656), (2232, 9259), (2364, 8742), (2914, 7092), (3384, 6107), (3546, 5828), (4371, 4728)]