20054970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:368

約数の個数: 96

約数和(自身を含む): 57277584

約数和(自身を除く): 37222614

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 61, 65, 78, 90, 117, 122, 130, 183, 195, 234, 281, 305, 366, 390, 549, 562, 585, 610, 793, 843, 915, 1098, 1170, 1405, 1586, 1686, 1830, 2379, 2529, 2745, 2810, 3653, 3965, 4215, 4758, 5058, 5490, 7137, 7306, 7930, 8430, 10959, 11895, 12645, 14274, 17141, 18265, 21918, 23790, 25290, 32877, 34282, 35685, 36530, 51423, 54795, 65754, 71370, 85705, 102846, 109590, 154269, 164385, 171410, 222833, 257115, 308538, 328770, 445666, 514230, 668499, 771345, 1114165, 1336998, 1542690, 2005497, 2228330, 3342495, 4010994, 6684990, 10027485, 20054970]

約数ペア:

[(1, 20054970), (2, 10027485), (3, 6684990), (5, 4010994), (6, 3342495), (9, 2228330), (10, 2005497), (13, 1542690), (15, 1336998), (18, 1114165), (26, 771345), (30, 668499), (39, 514230), (45, 445666), (61, 328770), (65, 308538), (78, 257115), (90, 222833), (117, 171410), (122, 164385), (130, 154269), (183, 109590), (195, 102846), (234, 85705), (281, 71370), (305, 65754), (366, 54795), (390, 51423), (549, 36530), (562, 35685), (585, 34282), (610, 32877), (793, 25290), (843, 23790), (915, 21918), (1098, 18265), (1170, 17141), (1405, 14274), (1586, 12645), (1686, 11895), (1830, 10959), (2379, 8430), (2529, 7930), (2745, 7306), (2810, 7137), (3653, 5490), (3965, 5058), (4215, 4758)]