20204130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 50295168

約数和(自身を除く): 30091038

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 97, 106, 131, 159, 194, 262, 265, 291, 318, 393, 485, 530, 582, 655, 786, 795, 970, 1310, 1455, 1590, 1965, 2910, 3930, 5141, 6943, 10282, 12707, 13886, 15423, 20829, 25414, 25705, 30846, 34715, 38121, 41658, 51410, 63535, 69430, 76242, 77115, 104145, 127070, 154230, 190605, 208290, 381210, 673471, 1346942, 2020413, 3367355, 4040826, 6734710, 10102065, 20204130]

約数ペア:

[(1, 20204130), (2, 10102065), (3, 6734710), (5, 4040826), (6, 3367355), (10, 2020413), (15, 1346942), (30, 673471), (53, 381210), (97, 208290), (106, 190605), (131, 154230), (159, 127070), (194, 104145), (262, 77115), (265, 76242), (291, 69430), (318, 63535), (393, 51410), (485, 41658), (530, 38121), (582, 34715), (655, 30846), (786, 25705), (795, 25414), (970, 20829), (1310, 15423), (1455, 13886), (1590, 12707), (1965, 10282), (2910, 6943), (3930, 5141)]