20106720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13963}}^1$

素因数の和:13984

約数の個数: 72

約数和(自身を含む): 68619096

約数和(自身を除く): 48512376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13963, 27926, 41889, 55852, 69815, 83778, 111704, 125667, 139630, 167556, 209445, 223408, 251334, 279260, 335112, 418890, 446816, 502668, 558520, 628335, 670224, 837780, 1005336, 1117040, 1256670, 1340448, 1675560, 2010672, 2234080, 2513340, 3351120, 4021344, 5026680, 6702240, 10053360, 20106720]

約数ペア:

[(1, 20106720), (2, 10053360), (3, 6702240), (4, 5026680), (5, 4021344), (6, 3351120), (8, 2513340), (9, 2234080), (10, 2010672), (12, 1675560), (15, 1340448), (16, 1256670), (18, 1117040), (20, 1005336), (24, 837780), (30, 670224), (32, 628335), (36, 558520), (40, 502668), (45, 446816), (48, 418890), (60, 335112), (72, 279260), (80, 251334), (90, 223408), (96, 209445), (120, 167556), (144, 139630), (160, 125667), (180, 111704), (240, 83778), (288, 69815), (360, 55852), (480, 41889), (720, 27926), (1440, 13963)]