2020111020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{660167}}^1$

素因数の和:660199

約数の個数: 72

約数和(自身を含む): 6488131104

約数和(自身を除く): 4468020084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 660167, 1320334, 1980501, 2640668, 3300835, 3961002, 5941503, 6601670, 7922004, 9902505, 11222839, 11883006, 13203340, 19805010, 22445678, 23766012, 29707515, 33668517, 39610020, 44891356, 56114195, 59415030, 67337034, 101005551, 112228390, 118830060, 134674068, 168342585, 202011102, 224456780, 336685170, 404022204, 505027755, 673370340, 1010055510, 2020111020]

約数ペア:

[(1, 2020111020), (2, 1010055510), (3, 673370340), (4, 505027755), (5, 404022204), (6, 336685170), (9, 224456780), (10, 202011102), (12, 168342585), (15, 134674068), (17, 118830060), (18, 112228390), (20, 101005551), (30, 67337034), (34, 59415030), (36, 56114195), (45, 44891356), (51, 39610020), (60, 33668517), (68, 29707515), (85, 23766012), (90, 22445678), (102, 19805010), (153, 13203340), (170, 11883006), (180, 11222839), (204, 9902505), (255, 7922004), (306, 6601670), (340, 5941503), (510, 3961002), (612, 3300835), (765, 2640668), (1020, 1980501), (1530, 1320334), (3060, 660167)]