20196317240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{4951}}^1$

素因数の和:5173

約数の個数: 128

約数和(自身を含む): 50657771520

約数和(自身を除く): 30461454280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 127, 146, 220, 254, 292, 365, 440, 508, 584, 635, 730, 803, 1016, 1270, 1397, 1460, 1606, 2540, 2794, 2920, 3212, 4015, 4951, 5080, 5588, 6424, 6985, 8030, 9271, 9902, 11176, 13970, 16060, 18542, 19804, 24755, 27940, 32120, 37084, 39608, 46355, 49510, 54461, 55880, 74168, 92710, 99020, 101981, 108922, 185420, 198040, 203962, 217844, 272305, 361423, 370840, 407924, 435688, 509905, 544610, 628777, 722846, 815848, 1019810, 1089220, 1257554, 1445692, 1807115, 2039620, 2178440, 2515108, 2891384, 3143885, 3614230, 3975653, 4079240, 5030216, 6287770, 6916547, 7228460, 7951306, 12575540, 13833094, 14456920, 15902612, 19878265, 25151080, 27666188, 31805224, 34582735, 39756530, 45900721, 55332376, 69165470, 79513060, 91801442, 138330940, 159026120, 183602884, 229503605, 276661880, 367205768, 459007210, 504907931, 918014420, 1009815862, 1836028840, 2019631724, 2524539655, 4039263448, 5049079310, 10098158620, 20196317240]

約数ペア:

[(1, 20196317240), (2, 10098158620), (4, 5049079310), (5, 4039263448), (8, 2524539655), (10, 2019631724), (11, 1836028840), (20, 1009815862), (22, 918014420), (40, 504907931), (44, 459007210), (55, 367205768), (73, 276661880), (88, 229503605), (110, 183602884), (127, 159026120), (146, 138330940), (220, 91801442), (254, 79513060), (292, 69165470), (365, 55332376), (440, 45900721), (508, 39756530), (584, 34582735), (635, 31805224), (730, 27666188), (803, 25151080), (1016, 19878265), (1270, 15902612), (1397, 14456920), (1460, 13833094), (1606, 12575540), (2540, 7951306), (2794, 7228460), (2920, 6916547), (3212, 6287770), (4015, 5030216), (4951, 4079240), (5080, 3975653), (5588, 3614230), (6424, 3143885), (6985, 2891384), (8030, 2515108), (9271, 2178440), (9902, 2039620), (11176, 1807115), (13970, 1445692), (16060, 1257554), (18542, 1089220), (19804, 1019810), (24755, 815848), (27940, 722846), (32120, 628777), (37084, 544610), (39608, 509905), (46355, 435688), (49510, 407924), (54461, 370840), (55880, 361423), (74168, 272305), (92710, 217844), (99020, 203962), (101981, 198040), (108922, 185420)]