20690700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4057}}^1$

素因数の和:4091

約数の個数: 72

約数和(自身を含む): 63402192

約数和(自身を除く): 42711492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4057, 5100, 8114, 12171, 16228, 20285, 24342, 40570, 48684, 60855, 68969, 81140, 101425, 121710, 137938, 202850, 206907, 243420, 275876, 304275, 344845, 405700, 413814, 608550, 689690, 827628, 1034535, 1217100, 1379380, 1724225, 2069070, 3448450, 4138140, 5172675, 6896900, 10345350, 20690700]

約数ペア:

[(1, 20690700), (2, 10345350), (3, 6896900), (4, 5172675), (5, 4138140), (6, 3448450), (10, 2069070), (12, 1724225), (15, 1379380), (17, 1217100), (20, 1034535), (25, 827628), (30, 689690), (34, 608550), (50, 413814), (51, 405700), (60, 344845), (68, 304275), (75, 275876), (85, 243420), (100, 206907), (102, 202850), (150, 137938), (170, 121710), (204, 101425), (255, 81140), (300, 68969), (340, 60855), (425, 48684), (510, 40570), (850, 24342), (1020, 20285), (1275, 16228), (1700, 12171), (2550, 8114), (4057, 5100)]