20508733462

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{4013}}^1$

素因数の和:4345

約数の個数: 64

約数和(自身を含む): 37767565440

約数和(自身を除く): 17258831978

約数列:

[1, 2, 7, 14, 17, 34, 109, 119, 197, 218, 238, 394, 763, 1379, 1526, 1853, 2758, 3349, 3706, 4013, 6698, 8026, 12971, 21473, 23443, 25942, 28091, 42946, 46886, 56182, 68221, 136442, 150311, 300622, 365041, 437417, 477547, 730082, 790561, 874834, 955094, 1581122, 2555287, 3061919, 5110574, 5533927, 6123838, 7436089, 11067854, 13439537, 14872178, 26879074, 52052623, 86171149, 94076759, 104105246, 172342298, 188153518, 603198043, 1206396086, 1464909533, 2929819066, 10254366731, 20508733462]

約数ペア:

[(1, 20508733462), (2, 10254366731), (7, 2929819066), (14, 1464909533), (17, 1206396086), (34, 603198043), (109, 188153518), (119, 172342298), (197, 104105246), (218, 94076759), (238, 86171149), (394, 52052623), (763, 26879074), (1379, 14872178), (1526, 13439537), (1853, 11067854), (2758, 7436089), (3349, 6123838), (3706, 5533927), (4013, 5110574), (6698, 3061919), (8026, 2555287), (12971, 1581122), (21473, 955094), (23443, 874834), (25942, 790561), (28091, 730082), (42946, 477547), (46886, 437417), (56182, 365041), (68221, 300622), (136442, 150311)]