20326710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 51632640

約数和(自身を除く): 31305930

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 89, 115, 138, 178, 230, 267, 331, 345, 445, 534, 662, 690, 890, 993, 1335, 1655, 1986, 2047, 2670, 3310, 4094, 4965, 6141, 7613, 9930, 10235, 12282, 15226, 20470, 22839, 29459, 30705, 38065, 45678, 58918, 61410, 76130, 88377, 114195, 147295, 176754, 228390, 294590, 441885, 677557, 883770, 1355114, 2032671, 3387785, 4065342, 6775570, 10163355, 20326710]

約数ペア:

[(1, 20326710), (2, 10163355), (3, 6775570), (5, 4065342), (6, 3387785), (10, 2032671), (15, 1355114), (23, 883770), (30, 677557), (46, 441885), (69, 294590), (89, 228390), (115, 176754), (138, 147295), (178, 114195), (230, 88377), (267, 76130), (331, 61410), (345, 58918), (445, 45678), (534, 38065), (662, 30705), (690, 29459), (890, 22839), (993, 20470), (1335, 15226), (1655, 12282), (1986, 10235), (2047, 9930), (2670, 7613), (3310, 6141), (4094, 4965)]