19995938880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20829103}}^1$

素因数の和:20829123

約数の個数: 56

約数和(自身を含む): 63487108992

約数和(自身を除く): 43491170112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 20829103, 41658206, 62487309, 83316412, 104145515, 124974618, 166632824, 208291030, 249949236, 312436545, 333265648, 416582060, 499898472, 624873090, 666531296, 833164120, 999796944, 1249746180, 1333062592, 1666328240, 1999593888, 2499492360, 3332656480, 3999187776, 4998984720, 6665312960, 9997969440, 19995938880]

約数ペア:

[(1, 19995938880), (2, 9997969440), (3, 6665312960), (4, 4998984720), (5, 3999187776), (6, 3332656480), (8, 2499492360), (10, 1999593888), (12, 1666328240), (15, 1333062592), (16, 1249746180), (20, 999796944), (24, 833164120), (30, 666531296), (32, 624873090), (40, 499898472), (48, 416582060), (60, 333265648), (64, 312436545), (80, 249949236), (96, 208291030), (120, 166632824), (160, 124974618), (192, 104145515), (240, 83316412), (320, 62487309), (480, 41658206), (960, 20829103)]