20197728

素因数分解:

$2^5\times 3^3\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 59764320

約数和(自身を除く): 39566592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 97, 108, 144, 194, 216, 241, 288, 291, 388, 432, 482, 582, 723, 776, 864, 873, 964, 1164, 1446, 1552, 1746, 1928, 2169, 2328, 2619, 2892, 3104, 3492, 3856, 4338, 4656, 5238, 5784, 6507, 6984, 7712, 8676, 9312, 10476, 11568, 13014, 13968, 17352, 20952, 23136, 23377, 26028, 27936, 34704, 41904, 46754, 52056, 69408, 70131, 83808, 93508, 104112, 140262, 187016, 208224, 210393, 280524, 374032, 420786, 561048, 631179, 748064, 841572, 1122096, 1262358, 1683144, 2244192, 2524716, 3366288, 5049432, 6732576, 10098864, 20197728]

約数ペア:

[(1, 20197728), (2, 10098864), (3, 6732576), (4, 5049432), (6, 3366288), (8, 2524716), (9, 2244192), (12, 1683144), (16, 1262358), (18, 1122096), (24, 841572), (27, 748064), (32, 631179), (36, 561048), (48, 420786), (54, 374032), (72, 280524), (96, 210393), (97, 208224), (108, 187016), (144, 140262), (194, 104112), (216, 93508), (241, 83808), (288, 70131), (291, 69408), (388, 52056), (432, 46754), (482, 41904), (582, 34704), (723, 27936), (776, 26028), (864, 23377), (873, 23136), (964, 20952), (1164, 17352), (1446, 13968), (1552, 13014), (1746, 11568), (1928, 10476), (2169, 9312), (2328, 8676), (2619, 7712), (2892, 6984), (3104, 6507), (3492, 5784), (3856, 5238), (4338, 4656)]