20825100

素因数分解:

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

素因数の和:886

約数の個数: 108

約数和(自身を含む): 67771704

約数和(自身を除く): 46946604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 810, 857, 900, 972, 1215, 1350, 1620, 1714, 2025, 2430, 2571, 2700, 3428, 4050, 4285, 4860, 5142, 6075, 7713, 8100, 8570, 10284, 12150, 12855, 15426, 17140, 21425, 23139, 24300, 25710, 30852, 38565, 42850, 46278, 51420, 64275, 69417, 77130, 85700, 92556, 115695, 128550, 138834, 154260, 192825, 208251, 231390, 257100, 277668, 347085, 385650, 416502, 462780, 578475, 694170, 771300, 833004, 1041255, 1156950, 1388340, 1735425, 2082510, 2313900, 3470850, 4165020, 5206275, 6941700, 10412550, 20825100]

約数ペア:

[(1, 20825100), (2, 10412550), (3, 6941700), (4, 5206275), (5, 4165020), (6, 3470850), (9, 2313900), (10, 2082510), (12, 1735425), (15, 1388340), (18, 1156950), (20, 1041255), (25, 833004), (27, 771300), (30, 694170), (36, 578475), (45, 462780), (50, 416502), (54, 385650), (60, 347085), (75, 277668), (81, 257100), (90, 231390), (100, 208251), (108, 192825), (135, 154260), (150, 138834), (162, 128550), (180, 115695), (225, 92556), (243, 85700), (270, 77130), (300, 69417), (324, 64275), (405, 51420), (450, 46278), (486, 42850), (540, 38565), (675, 30852), (810, 25710), (857, 24300), (900, 23139), (972, 21425), (1215, 17140), (1350, 15426), (1620, 12855), (1714, 12150), (2025, 10284), (2430, 8570), (2571, 8100), (2700, 7713), (3428, 6075), (4050, 5142), (4285, 4860)]