20066640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{691}}^1$

素因数の和:729

約数の個数: 120

約数和(自身を含む): 68474784

約数和(自身を除く): 48408144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 691, 726, 880, 968, 1210, 1320, 1382, 1452, 1815, 1936, 2073, 2420, 2640, 2764, 2904, 3455, 3630, 4146, 4840, 5528, 5808, 6910, 7260, 7601, 8292, 9680, 10365, 11056, 13820, 14520, 15202, 16584, 20730, 22803, 27640, 29040, 30404, 33168, 38005, 41460, 45606, 55280, 60808, 76010, 82920, 83611, 91212, 114015, 121616, 152020, 165840, 167222, 182424, 228030, 250833, 304040, 334444, 364848, 418055, 456060, 501666, 608080, 668888, 836110, 912120, 1003332, 1254165, 1337776, 1672220, 1824240, 2006664, 2508330, 3344440, 4013328, 5016660, 6688880, 10033320, 20066640]

約数ペア:

[(1, 20066640), (2, 10033320), (3, 6688880), (4, 5016660), (5, 4013328), (6, 3344440), (8, 2508330), (10, 2006664), (11, 1824240), (12, 1672220), (15, 1337776), (16, 1254165), (20, 1003332), (22, 912120), (24, 836110), (30, 668888), (33, 608080), (40, 501666), (44, 456060), (48, 418055), (55, 364848), (60, 334444), (66, 304040), (80, 250833), (88, 228030), (110, 182424), (120, 167222), (121, 165840), (132, 152020), (165, 121616), (176, 114015), (220, 91212), (240, 83611), (242, 82920), (264, 76010), (330, 60808), (363, 55280), (440, 45606), (484, 41460), (528, 38005), (605, 33168), (660, 30404), (691, 29040), (726, 27640), (880, 22803), (968, 20730), (1210, 16584), (1320, 15202), (1382, 14520), (1452, 13820), (1815, 11056), (1936, 10365), (2073, 9680), (2420, 8292), (2640, 7601), (2764, 7260), (2904, 6910), (3455, 5808), (3630, 5528), (4146, 4840)]