20540235

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 14457525

約数列:

[1, 3, 5, 15, 19, 57, 95, 97, 285, 291, 485, 743, 1455, 1843, 2229, 3715, 5529, 9215, 11145, 14117, 27645, 42351, 70585, 72071, 211755, 216213, 360355, 1081065, 1369349, 4108047, 6846745, 20540235]

約数ペア:

[(1, 20540235), (3, 6846745), (5, 4108047), (15, 1369349), (19, 1081065), (57, 360355), (95, 216213), (97, 211755), (285, 72071), (291, 70585), (485, 42351), (743, 27645), (1455, 14117), (1843, 11145), (2229, 9215), (3715, 5529)]