20012640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 63667296

約数和(自身を除く): 43654656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 173, 240, 241, 346, 480, 482, 519, 692, 723, 865, 964, 1038, 1205, 1384, 1446, 1730, 1928, 2076, 2410, 2595, 2768, 2892, 3460, 3615, 3856, 4152, 4820, 5190, 5536, 5784, 6920, 7230, 7712, 8304, 9640, 10380, 11568, 13840, 14460, 16608, 19280, 20760, 23136, 27680, 28920, 38560, 41520, 41693, 57840, 83040, 83386, 115680, 125079, 166772, 208465, 250158, 333544, 416930, 500316, 625395, 667088, 833860, 1000632, 1250790, 1334176, 1667720, 2001264, 2501580, 3335440, 4002528, 5003160, 6670880, 10006320, 20012640]

約数ペア:

[(1, 20012640), (2, 10006320), (3, 6670880), (4, 5003160), (5, 4002528), (6, 3335440), (8, 2501580), (10, 2001264), (12, 1667720), (15, 1334176), (16, 1250790), (20, 1000632), (24, 833860), (30, 667088), (32, 625395), (40, 500316), (48, 416930), (60, 333544), (80, 250158), (96, 208465), (120, 166772), (160, 125079), (173, 115680), (240, 83386), (241, 83040), (346, 57840), (480, 41693), (482, 41520), (519, 38560), (692, 28920), (723, 27680), (865, 23136), (964, 20760), (1038, 19280), (1205, 16608), (1384, 14460), (1446, 13840), (1730, 11568), (1928, 10380), (2076, 9640), (2410, 8304), (2595, 7712), (2768, 7230), (2892, 6920), (3460, 5784), (3615, 5536), (3856, 5190), (4152, 4820)]