20767278720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10816291}}^1$

素因数の和:10816313

約数の個数: 64

約数和(自身を含む): 66195707040

約数和(自身を除く): 45428428320

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, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10816291, 21632582, 32448873, 43265164, 54081455, 64897746, 86530328, 108162910, 129795492, 162244365, 173060656, 216325820, 259590984, 324488730, 346121312, 432651640, 519181968, 648977460, 692242624, 865303280, 1038363936, 1297954920, 1384485248, 1730606560, 2076727872, 2595909840, 3461213120, 4153455744, 5191819680, 6922426240, 10383639360, 20767278720]

約数ペア:

[(1, 20767278720), (2, 10383639360), (3, 6922426240), (4, 5191819680), (5, 4153455744), (6, 3461213120), (8, 2595909840), (10, 2076727872), (12, 1730606560), (15, 1384485248), (16, 1297954920), (20, 1038363936), (24, 865303280), (30, 692242624), (32, 648977460), (40, 519181968), (48, 432651640), (60, 346121312), (64, 324488730), (80, 259590984), (96, 216325820), (120, 173060656), (128, 162244365), (160, 129795492), (192, 108162910), (240, 86530328), (320, 64897746), (384, 54081455), (480, 43265164), (640, 32448873), (960, 21632582), (1920, 10816291)]