19995060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19603}}^1$

素因数の和:19632

約数の個数: 48

約数和(自身を含む): 59282496

約数和(自身を除く): 39287436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19603, 39206, 58809, 78412, 98015, 117618, 196030, 235236, 294045, 333251, 392060, 588090, 666502, 999753, 1176180, 1333004, 1666255, 1999506, 3332510, 3999012, 4998765, 6665020, 9997530, 19995060]

約数ペア:

[(1, 19995060), (2, 9997530), (3, 6665020), (4, 4998765), (5, 3999012), (6, 3332510), (10, 1999506), (12, 1666255), (15, 1333004), (17, 1176180), (20, 999753), (30, 666502), (34, 588090), (51, 392060), (60, 333251), (68, 294045), (85, 235236), (102, 196030), (170, 117618), (204, 98015), (255, 78412), (340, 58809), (510, 39206), (1020, 19603)]