20027670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 52436160

約数和(自身を除く): 32408490

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 89, 130, 178, 195, 267, 390, 445, 534, 577, 890, 1154, 1157, 1335, 1731, 2314, 2670, 2885, 3462, 3471, 5770, 5785, 6942, 7501, 8655, 11570, 15002, 17310, 17355, 22503, 34710, 37505, 45006, 51353, 75010, 102706, 112515, 154059, 225030, 256765, 308118, 513530, 667589, 770295, 1335178, 1540590, 2002767, 3337945, 4005534, 6675890, 10013835, 20027670]

約数ペア:

[(1, 20027670), (2, 10013835), (3, 6675890), (5, 4005534), (6, 3337945), (10, 2002767), (13, 1540590), (15, 1335178), (26, 770295), (30, 667589), (39, 513530), (65, 308118), (78, 256765), (89, 225030), (130, 154059), (178, 112515), (195, 102706), (267, 75010), (390, 51353), (445, 45006), (534, 37505), (577, 34710), (890, 22503), (1154, 17355), (1157, 17310), (1335, 15002), (1731, 11570), (2314, 8655), (2670, 7501), (2885, 6942), (3462, 5785), (3471, 5770)]