20809069155

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{145829}}^1$

素因数の和:146001

約数の個数: 64

約数和(自身を含む): 42559027200

約数和(自身を除く): 21749958045

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 151, 189, 315, 453, 755, 945, 1057, 1359, 2265, 3171, 4077, 5285, 6795, 9513, 15855, 20385, 28539, 47565, 142695, 145829, 437487, 729145, 1020803, 1312461, 2187435, 3062409, 3937383, 5104015, 6562305, 9187227, 15312045, 19686915, 22020179, 27561681, 45936135, 66060537, 110100895, 137808405, 154141253, 198181611, 330302685, 462423759, 594544833, 770706265, 990908055, 1387271277, 2312118795, 2972724165, 4161813831, 6936356385, 20809069155]

約数ペア:

[(1, 20809069155), (3, 6936356385), (5, 4161813831), (7, 2972724165), (9, 2312118795), (15, 1387271277), (21, 990908055), (27, 770706265), (35, 594544833), (45, 462423759), (63, 330302685), (105, 198181611), (135, 154141253), (151, 137808405), (189, 110100895), (315, 66060537), (453, 45936135), (755, 27561681), (945, 22020179), (1057, 19686915), (1359, 15312045), (2265, 9187227), (3171, 6562305), (4077, 5104015), (5285, 3937383), (6795, 3062409), (9513, 2187435), (15855, 1312461), (20385, 1020803), (28539, 729145), (47565, 437487), (142695, 145829)]