20275710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1061}}^1$

素因数の和:1098

約数の個数: 96

約数和(自身を含む): 61018272

約数和(自身を除く): 40742562

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 182, 195, 210, 245, 273, 294, 390, 455, 490, 546, 637, 735, 910, 1061, 1274, 1365, 1470, 1911, 2122, 2730, 3183, 3185, 3822, 5305, 6366, 6370, 7427, 9555, 10610, 13793, 14854, 15915, 19110, 22281, 27586, 31830, 37135, 41379, 44562, 51989, 68965, 74270, 82758, 96551, 103978, 111405, 137930, 155967, 193102, 206895, 222810, 259945, 289653, 311934, 413790, 482755, 519890, 579306, 675857, 779835, 965510, 1351714, 1448265, 1559670, 2027571, 2896530, 3379285, 4055142, 6758570, 10137855, 20275710]

約数ペア:

[(1, 20275710), (2, 10137855), (3, 6758570), (5, 4055142), (6, 3379285), (7, 2896530), (10, 2027571), (13, 1559670), (14, 1448265), (15, 1351714), (21, 965510), (26, 779835), (30, 675857), (35, 579306), (39, 519890), (42, 482755), (49, 413790), (65, 311934), (70, 289653), (78, 259945), (91, 222810), (98, 206895), (105, 193102), (130, 155967), (147, 137930), (182, 111405), (195, 103978), (210, 96551), (245, 82758), (273, 74270), (294, 68965), (390, 51989), (455, 44562), (490, 41379), (546, 37135), (637, 31830), (735, 27586), (910, 22281), (1061, 19110), (1274, 15915), (1365, 14854), (1470, 13793), (1911, 10610), (2122, 9555), (2730, 7427), (3183, 6370), (3185, 6366), (3822, 5305)]