20057895

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1077

約数の個数: 64

約数和(自身を含む): 41932800

約数和(自身を除く): 21874905

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 135, 143, 165, 195, 297, 351, 429, 495, 585, 715, 1039, 1287, 1485, 1755, 2145, 3117, 3861, 5195, 6435, 9351, 11429, 13507, 15585, 19305, 28053, 34287, 40521, 46755, 57145, 67535, 102861, 121563, 140265, 148577, 171435, 202605, 308583, 364689, 445731, 514305, 607815, 742885, 1337193, 1542915, 1823445, 2228655, 4011579, 6685965, 20057895]

約数ペア:

[(1, 20057895), (3, 6685965), (5, 4011579), (9, 2228655), (11, 1823445), (13, 1542915), (15, 1337193), (27, 742885), (33, 607815), (39, 514305), (45, 445731), (55, 364689), (65, 308583), (99, 202605), (117, 171435), (135, 148577), (143, 140265), (165, 121563), (195, 102861), (297, 67535), (351, 57145), (429, 46755), (495, 40521), (585, 34287), (715, 28053), (1039, 19305), (1287, 15585), (1485, 13507), (1755, 11429), (2145, 9351), (3117, 6435), (3861, 5195)]