20824920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57847}}^1$

素因数の和:57864

約数の個数: 48

約数和(自身を含む): 67682160

約数和(自身を除く): 46857240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57847, 115694, 173541, 231388, 289235, 347082, 462776, 520623, 578470, 694164, 867705, 1041246, 1156940, 1388328, 1735410, 2082492, 2313880, 2603115, 3470820, 4164984, 5206230, 6941640, 10412460, 20824920]

約数ペア:

[(1, 20824920), (2, 10412460), (3, 6941640), (4, 5206230), (5, 4164984), (6, 3470820), (8, 2603115), (9, 2313880), (10, 2082492), (12, 1735410), (15, 1388328), (18, 1156940), (20, 1041246), (24, 867705), (30, 694164), (36, 578470), (40, 520623), (45, 462776), (60, 347082), (72, 289235), (90, 231388), (120, 173541), (180, 115694), (360, 57847)]