20512157870

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1\times {\mathrm{797}}^1$

素因数の和:1337

約数の個数: 64

約数和(自身を含む): 37976117760

約数和(自身を除く): 17463959890

約数列:

[1, 2, 5, 10, 67, 107, 134, 214, 335, 359, 535, 670, 718, 797, 1070, 1594, 1795, 3590, 3985, 7169, 7970, 14338, 24053, 35845, 38413, 48106, 53399, 71690, 76826, 85279, 106798, 120265, 170558, 192065, 240530, 266995, 286123, 384130, 426395, 533990, 572246, 852790, 1430615, 2573671, 2861230, 5147342, 5713693, 11427386, 12868355, 19170241, 25736710, 28568465, 30615161, 38340482, 57136930, 61230322, 95851205, 153075805, 191702410, 306151610, 2051215787, 4102431574, 10256078935, 20512157870]

約数ペア:

[(1, 20512157870), (2, 10256078935), (5, 4102431574), (10, 2051215787), (67, 306151610), (107, 191702410), (134, 153075805), (214, 95851205), (335, 61230322), (359, 57136930), (535, 38340482), (670, 30615161), (718, 28568465), (797, 25736710), (1070, 19170241), (1594, 12868355), (1795, 11427386), (3590, 5713693), (3985, 5147342), (7169, 2861230), (7970, 2573671), (14338, 1430615), (24053, 852790), (35845, 572246), (38413, 533990), (48106, 426395), (53399, 384130), (71690, 286123), (76826, 266995), (85279, 240530), (106798, 192065), (120265, 170558)]