20238764

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^3\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 72

約数和(自身を含む): 45581760

約数和(自身を除く): 25342996

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 49, 52, 91, 94, 98, 169, 182, 188, 196, 329, 338, 364, 611, 637, 658, 676, 1183, 1222, 1274, 1316, 2197, 2303, 2366, 2444, 2548, 4277, 4394, 4606, 4732, 7943, 8281, 8554, 8788, 9212, 15379, 15886, 16562, 17108, 29939, 30758, 31772, 33124, 55601, 59878, 61516, 103259, 107653, 111202, 119756, 206518, 215306, 222404, 389207, 413036, 430612, 722813, 778414, 1445626, 1556828, 2891252, 5059691, 10119382, 20238764]

約数ペア:

[(1, 20238764), (2, 10119382), (4, 5059691), (7, 2891252), (13, 1556828), (14, 1445626), (26, 778414), (28, 722813), (47, 430612), (49, 413036), (52, 389207), (91, 222404), (94, 215306), (98, 206518), (169, 119756), (182, 111202), (188, 107653), (196, 103259), (329, 61516), (338, 59878), (364, 55601), (611, 33124), (637, 31772), (658, 30758), (676, 29939), (1183, 17108), (1222, 16562), (1274, 15886), (1316, 15379), (2197, 9212), (2303, 8788), (2366, 8554), (2444, 8281), (2548, 7943), (4277, 4732), (4394, 4606)]