20869470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{503}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 54486432

約数和(自身を除く): 33616962

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 461, 503, 922, 1006, 1383, 1509, 2305, 2515, 2766, 3018, 4149, 4527, 4610, 5030, 6915, 7545, 8298, 9054, 13830, 15090, 20745, 22635, 41490, 45270, 231883, 463766, 695649, 1159415, 1391298, 2086947, 2318830, 3478245, 4173894, 6956490, 10434735, 20869470]

約数ペア:

[(1, 20869470), (2, 10434735), (3, 6956490), (5, 4173894), (6, 3478245), (9, 2318830), (10, 2086947), (15, 1391298), (18, 1159415), (30, 695649), (45, 463766), (90, 231883), (461, 45270), (503, 41490), (922, 22635), (1006, 20745), (1383, 15090), (1509, 13830), (2305, 9054), (2515, 8298), (2766, 7545), (3018, 6915), (4149, 5030), (4527, 4610)]