20479560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10039}}^1$

素因数の和:10070

約数の個数: 64

約数和(自身を含む): 65059200

約数和(自身を除く): 44579640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10039, 20078, 30117, 40156, 50195, 60234, 80312, 100390, 120468, 150585, 170663, 200780, 240936, 301170, 341326, 401560, 511989, 602340, 682652, 853315, 1023978, 1204680, 1365304, 1706630, 2047956, 2559945, 3413260, 4095912, 5119890, 6826520, 10239780, 20479560]

約数ペア:

[(1, 20479560), (2, 10239780), (3, 6826520), (4, 5119890), (5, 4095912), (6, 3413260), (8, 2559945), (10, 2047956), (12, 1706630), (15, 1365304), (17, 1204680), (20, 1023978), (24, 853315), (30, 682652), (34, 602340), (40, 511989), (51, 401560), (60, 341326), (68, 301170), (85, 240936), (102, 200780), (120, 170663), (136, 150585), (170, 120468), (204, 100390), (255, 80312), (340, 60234), (408, 50195), (510, 40156), (680, 30117), (1020, 20078), (2040, 10039)]