17571620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 41626872

約数和(自身を除く): 24055252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 121, 137, 212, 220, 242, 265, 274, 484, 530, 548, 583, 605, 685, 1060, 1166, 1210, 1370, 1507, 2332, 2420, 2740, 2915, 3014, 5830, 6028, 6413, 7261, 7535, 11660, 12826, 14522, 15070, 16577, 25652, 29044, 30140, 32065, 33154, 36305, 64130, 66308, 72610, 79871, 82885, 128260, 145220, 159742, 165770, 319484, 331540, 399355, 798710, 878581, 1597420, 1757162, 3514324, 4392905, 8785810, 17571620]

約数ペア:

[(1, 17571620), (2, 8785810), (4, 4392905), (5, 3514324), (10, 1757162), (11, 1597420), (20, 878581), (22, 798710), (44, 399355), (53, 331540), (55, 319484), (106, 165770), (110, 159742), (121, 145220), (137, 128260), (212, 82885), (220, 79871), (242, 72610), (265, 66308), (274, 64130), (484, 36305), (530, 33154), (548, 32065), (583, 30140), (605, 29044), (685, 25652), (1060, 16577), (1166, 15070), (1210, 14522), (1370, 12826), (1507, 11660), (2332, 7535), (2420, 7261), (2740, 6413), (2915, 6028), (3014, 5830)]