20178472435

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3011}}^1$

素因数の和:3121

約数の個数: 64

約数和(自身を含む): 28574000640

約数和(自身を除く): 8395528205

約数列:

[1, 5, 11, 19, 53, 55, 95, 121, 209, 265, 583, 605, 1007, 1045, 1331, 2299, 2915, 3011, 5035, 6413, 6655, 11077, 11495, 15055, 25289, 32065, 33121, 55385, 57209, 70543, 121847, 126445, 159583, 165605, 286045, 352715, 364331, 609235, 629299, 797915, 1340317, 1755413, 1821655, 3032077, 3146495, 4007641, 6701585, 6922289, 8777065, 15160385, 19309543, 20038205, 33352847, 34611445, 76145179, 96547715, 166764235, 212404973, 366881317, 380725895, 1062024865, 1834406585, 4035694487, 20178472435]

約数ペア:

[(1, 20178472435), (5, 4035694487), (11, 1834406585), (19, 1062024865), (53, 380725895), (55, 366881317), (95, 212404973), (121, 166764235), (209, 96547715), (265, 76145179), (583, 34611445), (605, 33352847), (1007, 20038205), (1045, 19309543), (1331, 15160385), (2299, 8777065), (2915, 6922289), (3011, 6701585), (5035, 4007641), (6413, 3146495), (6655, 3032077), (11077, 1821655), (11495, 1755413), (15055, 1340317), (25289, 797915), (32065, 629299), (33121, 609235), (55385, 364331), (57209, 352715), (70543, 286045), (121847, 165605), (126445, 159583)]