20568480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:678

約数の個数: 96

約数和(自身を含む): 65790144

約数和(自身を除く): 45221664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 73, 80, 96, 120, 146, 160, 219, 240, 292, 365, 438, 480, 584, 587, 730, 876, 1095, 1168, 1174, 1460, 1752, 1761, 2190, 2336, 2348, 2920, 2935, 3504, 3522, 4380, 4696, 5840, 5870, 7008, 7044, 8760, 8805, 9392, 11680, 11740, 14088, 17520, 17610, 18784, 23480, 28176, 35040, 35220, 42851, 46960, 56352, 70440, 85702, 93920, 128553, 140880, 171404, 214255, 257106, 281760, 342808, 428510, 514212, 642765, 685616, 857020, 1028424, 1285530, 1371232, 1714040, 2056848, 2571060, 3428080, 4113696, 5142120, 6856160, 10284240, 20568480]

約数ペア:

[(1, 20568480), (2, 10284240), (3, 6856160), (4, 5142120), (5, 4113696), (6, 3428080), (8, 2571060), (10, 2056848), (12, 1714040), (15, 1371232), (16, 1285530), (20, 1028424), (24, 857020), (30, 685616), (32, 642765), (40, 514212), (48, 428510), (60, 342808), (73, 281760), (80, 257106), (96, 214255), (120, 171404), (146, 140880), (160, 128553), (219, 93920), (240, 85702), (292, 70440), (365, 56352), (438, 46960), (480, 42851), (584, 35220), (587, 35040), (730, 28176), (876, 23480), (1095, 18784), (1168, 17610), (1174, 17520), (1460, 14088), (1752, 11740), (1761, 11680), (2190, 9392), (2336, 8805), (2348, 8760), (2920, 7044), (2935, 7008), (3504, 5870), (3522, 5840), (4380, 4696)]