20860182

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:442

約数の個数: 72

約数和(自身を含む): 53512056

約数和(自身を除く): 32651874

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 67, 98, 126, 134, 147, 201, 294, 353, 402, 441, 469, 603, 706, 882, 938, 1059, 1206, 1407, 2118, 2471, 2814, 3177, 3283, 4221, 4942, 6354, 6566, 7413, 8442, 9849, 14826, 17297, 19698, 22239, 23651, 29547, 34594, 44478, 47302, 51891, 59094, 70953, 103782, 141906, 155673, 165557, 212859, 311346, 331114, 425718, 496671, 993342, 1158899, 1490013, 2317798, 2980026, 3476697, 6953394, 10430091, 20860182]

約数ペア:

[(1, 20860182), (2, 10430091), (3, 6953394), (6, 3476697), (7, 2980026), (9, 2317798), (14, 1490013), (18, 1158899), (21, 993342), (42, 496671), (49, 425718), (63, 331114), (67, 311346), (98, 212859), (126, 165557), (134, 155673), (147, 141906), (201, 103782), (294, 70953), (353, 59094), (402, 51891), (441, 47302), (469, 44478), (603, 34594), (706, 29547), (882, 23651), (938, 22239), (1059, 19698), (1206, 17297), (1407, 14826), (2118, 9849), (2471, 8442), (2814, 7413), (3177, 6566), (3283, 6354), (4221, 4942)]