20627190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 55408320

約数和(自身を除く): 34781130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 241, 270, 317, 482, 634, 723, 951, 1205, 1446, 1585, 1902, 2169, 2410, 2853, 3170, 3615, 4338, 4755, 5706, 6507, 7230, 8559, 9510, 10845, 13014, 14265, 17118, 21690, 28530, 32535, 42795, 65070, 76397, 85590, 152794, 229191, 381985, 458382, 687573, 763970, 1145955, 1375146, 2062719, 2291910, 3437865, 4125438, 6875730, 10313595, 20627190]

約数ペア:

[(1, 20627190), (2, 10313595), (3, 6875730), (5, 4125438), (6, 3437865), (9, 2291910), (10, 2062719), (15, 1375146), (18, 1145955), (27, 763970), (30, 687573), (45, 458382), (54, 381985), (90, 229191), (135, 152794), (241, 85590), (270, 76397), (317, 65070), (482, 42795), (634, 32535), (723, 28530), (951, 21690), (1205, 17118), (1446, 14265), (1585, 13014), (1902, 10845), (2169, 9510), (2410, 8559), (2853, 7230), (3170, 6507), (3615, 5706), (4338, 4755)]