20825370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 56039040

約数和(自身を除く): 35213670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 137, 270, 274, 411, 563, 685, 822, 1126, 1233, 1370, 1689, 2055, 2466, 2815, 3378, 3699, 4110, 5067, 5630, 6165, 7398, 8445, 10134, 12330, 15201, 16890, 18495, 25335, 30402, 36990, 50670, 76005, 77131, 152010, 154262, 231393, 385655, 462786, 694179, 771310, 1156965, 1388358, 2082537, 2313930, 3470895, 4165074, 6941790, 10412685, 20825370]

約数ペア:

[(1, 20825370), (2, 10412685), (3, 6941790), (5, 4165074), (6, 3470895), (9, 2313930), (10, 2082537), (15, 1388358), (18, 1156965), (27, 771310), (30, 694179), (45, 462786), (54, 385655), (90, 231393), (135, 154262), (137, 152010), (270, 77131), (274, 76005), (411, 50670), (563, 36990), (685, 30402), (822, 25335), (1126, 18495), (1233, 16890), (1370, 15201), (1689, 12330), (2055, 10134), (2466, 8445), (2815, 7398), (3378, 6165), (3699, 5630), (4110, 5067)]