20163112845

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1\times {\mathrm{1249}}^1$

素因数の和:1670

約数の個数: 64

約数和(自身を含む): 33696000000

約数和(自身を除く): 13532887155

約数列:

[1, 3, 5, 15, 31, 93, 149, 155, 233, 447, 465, 699, 745, 1165, 1249, 2235, 3495, 3747, 4619, 6245, 7223, 13857, 18735, 21669, 23095, 34717, 36115, 38719, 69285, 104151, 108345, 116157, 173585, 186101, 193595, 291017, 520755, 558303, 580785, 873051, 930505, 1076227, 1455085, 2791515, 3228681, 4365255, 5381135, 5769131, 9021527, 16143405, 17307393, 27064581, 28845655, 43361533, 45107635, 86536965, 130084599, 135322905, 216807665, 650422995, 1344207523, 4032622569, 6721037615, 20163112845]

約数ペア:

[(1, 20163112845), (3, 6721037615), (5, 4032622569), (15, 1344207523), (31, 650422995), (93, 216807665), (149, 135322905), (155, 130084599), (233, 86536965), (447, 45107635), (465, 43361533), (699, 28845655), (745, 27064581), (1165, 17307393), (1249, 16143405), (2235, 9021527), (3495, 5769131), (3747, 5381135), (4619, 4365255), (6245, 3228681), (7223, 2791515), (13857, 1455085), (18735, 1076227), (21669, 930505), (23095, 873051), (34717, 580785), (36115, 558303), (38719, 520755), (69285, 291017), (104151, 193595), (108345, 186101), (116157, 173585)]