20769690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1035

約数の個数: 64

約数和(自身を含む): 53747712

約数和(自身を除く): 32978022

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 930, 971, 1426, 1942, 2139, 2913, 3565, 4278, 4855, 5826, 7130, 9710, 10695, 14565, 21390, 22333, 29130, 30101, 44666, 60202, 66999, 90303, 111665, 133998, 150505, 180606, 223330, 301010, 334995, 451515, 669990, 692323, 903030, 1384646, 2076969, 3461615, 4153938, 6923230, 10384845, 20769690]

約数ペア:

[(1, 20769690), (2, 10384845), (3, 6923230), (5, 4153938), (6, 3461615), (10, 2076969), (15, 1384646), (23, 903030), (30, 692323), (31, 669990), (46, 451515), (62, 334995), (69, 301010), (93, 223330), (115, 180606), (138, 150505), (155, 133998), (186, 111665), (230, 90303), (310, 66999), (345, 60202), (465, 44666), (690, 30101), (713, 29130), (930, 22333), (971, 21390), (1426, 14565), (1942, 10695), (2139, 9710), (2913, 7130), (3565, 5826), (4278, 4855)]