20642064

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 55716672

約数和(自身を除く): 35074608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 73, 86, 129, 137, 146, 172, 219, 258, 274, 292, 344, 411, 438, 516, 548, 584, 688, 822, 876, 1032, 1096, 1168, 1644, 1752, 2064, 2192, 3139, 3288, 3504, 5891, 6278, 6576, 9417, 10001, 11782, 12556, 17673, 18834, 20002, 23564, 25112, 30003, 35346, 37668, 40004, 47128, 50224, 60006, 70692, 75336, 80008, 94256, 120012, 141384, 150672, 160016, 240024, 282768, 430043, 480048, 860086, 1290129, 1720172, 2580258, 3440344, 5160516, 6880688, 10321032, 20642064]

約数ペア:

[(1, 20642064), (2, 10321032), (3, 6880688), (4, 5160516), (6, 3440344), (8, 2580258), (12, 1720172), (16, 1290129), (24, 860086), (43, 480048), (48, 430043), (73, 282768), (86, 240024), (129, 160016), (137, 150672), (146, 141384), (172, 120012), (219, 94256), (258, 80008), (274, 75336), (292, 70692), (344, 60006), (411, 50224), (438, 47128), (516, 40004), (548, 37668), (584, 35346), (688, 30003), (822, 25112), (876, 23564), (1032, 20002), (1096, 18834), (1168, 17673), (1644, 12556), (1752, 11782), (2064, 10001), (2192, 9417), (3139, 6576), (3288, 6278), (3504, 5891)]