20593710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:962

約数の個数: 64

約数和(自身を含む): 55598400

約数和(自身を除く): 35004690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 89, 90, 135, 178, 267, 270, 445, 534, 801, 857, 890, 1335, 1602, 1714, 2403, 2571, 2670, 4005, 4285, 4806, 5142, 7713, 8010, 8570, 12015, 12855, 15426, 23139, 24030, 25710, 38565, 46278, 76273, 77130, 115695, 152546, 228819, 231390, 381365, 457638, 686457, 762730, 1144095, 1372914, 2059371, 2288190, 3432285, 4118742, 6864570, 10296855, 20593710]

約数ペア:

[(1, 20593710), (2, 10296855), (3, 6864570), (5, 4118742), (6, 3432285), (9, 2288190), (10, 2059371), (15, 1372914), (18, 1144095), (27, 762730), (30, 686457), (45, 457638), (54, 381365), (89, 231390), (90, 228819), (135, 152546), (178, 115695), (267, 77130), (270, 76273), (445, 46278), (534, 38565), (801, 25710), (857, 24030), (890, 23139), (1335, 15426), (1602, 12855), (1714, 12015), (2403, 8570), (2571, 8010), (2670, 7713), (4005, 5142), (4285, 4806)]