20803560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3271}}^1$

素因数の和:3338

約数の個数: 64

約数和(自身を含む): 63607680

約数和(自身を除く): 42804120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 3271, 6360, 6542, 9813, 13084, 16355, 19626, 26168, 32710, 39252, 49065, 65420, 78504, 98130, 130840, 173363, 196260, 346726, 392520, 520089, 693452, 866815, 1040178, 1386904, 1733630, 2080356, 2600445, 3467260, 4160712, 5200890, 6934520, 10401780, 20803560]

約数ペア:

[(1, 20803560), (2, 10401780), (3, 6934520), (4, 5200890), (5, 4160712), (6, 3467260), (8, 2600445), (10, 2080356), (12, 1733630), (15, 1386904), (20, 1040178), (24, 866815), (30, 693452), (40, 520089), (53, 392520), (60, 346726), (106, 196260), (120, 173363), (159, 130840), (212, 98130), (265, 78504), (318, 65420), (424, 49065), (530, 39252), (636, 32710), (795, 26168), (1060, 19626), (1272, 16355), (1590, 13084), (2120, 9813), (3180, 6542), (3271, 6360)]