20270630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 20786650

約数列:

[1, 2, 5, 10, 17, 34, 43, 47, 59, 85, 86, 94, 118, 170, 215, 235, 295, 430, 470, 590, 731, 799, 1003, 1462, 1598, 2006, 2021, 2537, 2773, 3655, 3995, 4042, 5015, 5074, 5546, 7310, 7990, 10030, 10105, 12685, 13865, 20210, 25370, 27730, 34357, 43129, 47141, 68714, 86258, 94282, 119239, 171785, 215645, 235705, 238478, 343570, 431290, 471410, 596195, 1192390, 2027063, 4054126, 10135315, 20270630]

約数ペア:

[(1, 20270630), (2, 10135315), (5, 4054126), (10, 2027063), (17, 1192390), (34, 596195), (43, 471410), (47, 431290), (59, 343570), (85, 238478), (86, 235705), (94, 215645), (118, 171785), (170, 119239), (215, 94282), (235, 86258), (295, 68714), (430, 47141), (470, 43129), (590, 34357), (731, 27730), (799, 25370), (1003, 20210), (1462, 13865), (1598, 12685), (2006, 10105), (2021, 10030), (2537, 7990), (2773, 7310), (3655, 5546), (3995, 5074), (4042, 5015)]