20997090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4093}}^1$

素因数の和:4128

約数の個数: 64

約数和(自身を含む): 58953600

約数和(自身を除く): 37956510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4093, 5130, 8186, 12279, 20465, 24558, 36837, 40930, 61395, 73674, 77767, 110511, 122790, 155534, 184185, 221022, 233301, 368370, 388835, 466602, 552555, 699903, 777670, 1105110, 1166505, 1399806, 2099709, 2333010, 3499515, 4199418, 6999030, 10498545, 20997090]

約数ペア:

[(1, 20997090), (2, 10498545), (3, 6999030), (5, 4199418), (6, 3499515), (9, 2333010), (10, 2099709), (15, 1399806), (18, 1166505), (19, 1105110), (27, 777670), (30, 699903), (38, 552555), (45, 466602), (54, 388835), (57, 368370), (90, 233301), (95, 221022), (114, 184185), (135, 155534), (171, 122790), (190, 110511), (270, 77767), (285, 73674), (342, 61395), (513, 40930), (570, 36837), (855, 24558), (1026, 20465), (1710, 12279), (2565, 8186), (4093, 5130)]