20185560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1193}}^1$

素因数の和:1257

約数の個数: 96

約数和(自身を含む): 67055040

約数和(自身を除く): 46869480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1193, 1410, 1692, 1880, 2115, 2386, 2820, 3384, 3579, 4230, 4772, 5640, 5965, 7158, 8460, 9544, 10737, 11930, 14316, 16920, 17895, 21474, 23860, 28632, 35790, 42948, 47720, 53685, 56071, 71580, 85896, 107370, 112142, 143160, 168213, 214740, 224284, 280355, 336426, 429480, 448568, 504639, 560710, 672852, 841065, 1009278, 1121420, 1345704, 1682130, 2018556, 2242840, 2523195, 3364260, 4037112, 5046390, 6728520, 10092780, 20185560]

約数ペア:

[(1, 20185560), (2, 10092780), (3, 6728520), (4, 5046390), (5, 4037112), (6, 3364260), (8, 2523195), (9, 2242840), (10, 2018556), (12, 1682130), (15, 1345704), (18, 1121420), (20, 1009278), (24, 841065), (30, 672852), (36, 560710), (40, 504639), (45, 448568), (47, 429480), (60, 336426), (72, 280355), (90, 224284), (94, 214740), (120, 168213), (141, 143160), (180, 112142), (188, 107370), (235, 85896), (282, 71580), (360, 56071), (376, 53685), (423, 47720), (470, 42948), (564, 35790), (705, 28632), (846, 23860), (940, 21474), (1128, 17895), (1193, 16920), (1410, 14316), (1692, 11930), (1880, 10737), (2115, 9544), (2386, 8460), (2820, 7158), (3384, 5965), (3579, 5640), (4230, 4772)]