20086020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{739}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 61414080

約数和(自身を除く): 41328060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 739, 755, 906, 1359, 1478, 1510, 1812, 2217, 2265, 2718, 2956, 3020, 3695, 4434, 4530, 5436, 6651, 6795, 7390, 8868, 9060, 11085, 13302, 13590, 14780, 22170, 26604, 27180, 33255, 44340, 66510, 111589, 133020, 223178, 334767, 446356, 557945, 669534, 1004301, 1115890, 1339068, 1673835, 2008602, 2231780, 3347670, 4017204, 5021505, 6695340, 10043010, 20086020]

約数ペア:

[(1, 20086020), (2, 10043010), (3, 6695340), (4, 5021505), (5, 4017204), (6, 3347670), (9, 2231780), (10, 2008602), (12, 1673835), (15, 1339068), (18, 1115890), (20, 1004301), (30, 669534), (36, 557945), (45, 446356), (60, 334767), (90, 223178), (151, 133020), (180, 111589), (302, 66510), (453, 44340), (604, 33255), (739, 27180), (755, 26604), (906, 22170), (1359, 14780), (1478, 13590), (1510, 13302), (1812, 11085), (2217, 9060), (2265, 8868), (2718, 7390), (2956, 6795), (3020, 6651), (3695, 5436), (4434, 4530)]