20797182

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1487}}^1$

素因数の和:1542

約数の個数: 64

約数和(自身を含む): 54282240

約数和(自身を除く): 33485058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1487, 1554, 1998, 2331, 2974, 4461, 4662, 6993, 8922, 10409, 13383, 13986, 20818, 26766, 31227, 40149, 55019, 62454, 80298, 93681, 110038, 165057, 187362, 281043, 330114, 385133, 495171, 562086, 770266, 990342, 1155399, 1485513, 2310798, 2971026, 3466197, 6932394, 10398591, 20797182]

約数ペア:

[(1, 20797182), (2, 10398591), (3, 6932394), (6, 3466197), (7, 2971026), (9, 2310798), (14, 1485513), (18, 1155399), (21, 990342), (27, 770266), (37, 562086), (42, 495171), (54, 385133), (63, 330114), (74, 281043), (111, 187362), (126, 165057), (189, 110038), (222, 93681), (259, 80298), (333, 62454), (378, 55019), (518, 40149), (666, 31227), (777, 26766), (999, 20818), (1487, 13986), (1554, 13383), (1998, 10409), (2331, 8922), (2974, 6993), (4461, 4662)]