19878720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20707}}^1$

素因数の和:20727

約数の個数: 56

約数和(自身を含む): 63117984

約数和(自身を除く): 43239264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 20707, 41414, 62121, 82828, 103535, 124242, 165656, 207070, 248484, 310605, 331312, 414140, 496968, 621210, 662624, 828280, 993936, 1242420, 1325248, 1656560, 1987872, 2484840, 3313120, 3975744, 4969680, 6626240, 9939360, 19878720]

約数ペア:

[(1, 19878720), (2, 9939360), (3, 6626240), (4, 4969680), (5, 3975744), (6, 3313120), (8, 2484840), (10, 1987872), (12, 1656560), (15, 1325248), (16, 1242420), (20, 993936), (24, 828280), (30, 662624), (32, 621210), (40, 496968), (48, 414140), (60, 331312), (64, 310605), (80, 248484), (96, 207070), (120, 165656), (160, 124242), (192, 103535), (240, 82828), (320, 62121), (480, 41414), (960, 20707)]