20762040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13309}}^1$

素因数の和:13336

約数の個数: 64

約数和(自身を含む): 67082400

約数和(自身を除く): 46320360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13309, 26618, 39927, 53236, 66545, 79854, 106472, 133090, 159708, 173017, 199635, 266180, 319416, 346034, 399270, 519051, 532360, 692068, 798540, 865085, 1038102, 1384136, 1597080, 1730170, 2076204, 2595255, 3460340, 4152408, 5190510, 6920680, 10381020, 20762040]

約数ペア:

[(1, 20762040), (2, 10381020), (3, 6920680), (4, 5190510), (5, 4152408), (6, 3460340), (8, 2595255), (10, 2076204), (12, 1730170), (13, 1597080), (15, 1384136), (20, 1038102), (24, 865085), (26, 798540), (30, 692068), (39, 532360), (40, 519051), (52, 399270), (60, 346034), (65, 319416), (78, 266180), (104, 199635), (120, 173017), (130, 159708), (156, 133090), (195, 106472), (260, 79854), (312, 66545), (390, 53236), (520, 39927), (780, 26618), (1560, 13309)]