19938720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41539}}^1$

素因数の和:41557

約数の個数: 48

約数和(自身を含む): 62808480

約数和(自身を除く): 42869760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41539, 83078, 124617, 166156, 207695, 249234, 332312, 415390, 498468, 623085, 664624, 830780, 996936, 1246170, 1329248, 1661560, 1993872, 2492340, 3323120, 3987744, 4984680, 6646240, 9969360, 19938720]

約数ペア:

[(1, 19938720), (2, 9969360), (3, 6646240), (4, 4984680), (5, 3987744), (6, 3323120), (8, 2492340), (10, 1993872), (12, 1661560), (15, 1329248), (16, 1246170), (20, 996936), (24, 830780), (30, 664624), (32, 623085), (40, 498468), (48, 415390), (60, 332312), (80, 249234), (96, 207695), (120, 166156), (160, 124617), (240, 83078), (480, 41539)]