20109495585

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{64693}}^1$

素因数の和:64794

約数の個数: 64

約数和(自身を含む): 36220359168

約数和(自身を除く): 16110863583

約数列:

[1, 3, 5, 15, 17, 23, 51, 53, 69, 85, 115, 159, 255, 265, 345, 391, 795, 901, 1173, 1219, 1955, 2703, 3657, 4505, 5865, 6095, 13515, 18285, 20723, 62169, 64693, 103615, 194079, 310845, 323465, 970395, 1099781, 1487939, 3299343, 3428729, 4463817, 5498905, 7439695, 10286187, 16496715, 17143645, 22319085, 25294963, 51430935, 58288393, 75884889, 78860767, 126474815, 174865179, 236582301, 291441965, 379424445, 394303835, 874325895, 1182911505, 1340633039, 4021899117, 6703165195, 20109495585]

約数ペア:

[(1, 20109495585), (3, 6703165195), (5, 4021899117), (15, 1340633039), (17, 1182911505), (23, 874325895), (51, 394303835), (53, 379424445), (69, 291441965), (85, 236582301), (115, 174865179), (159, 126474815), (255, 78860767), (265, 75884889), (345, 58288393), (391, 51430935), (795, 25294963), (901, 22319085), (1173, 17143645), (1219, 16496715), (1955, 10286187), (2703, 7439695), (3657, 5498905), (4505, 4463817), (5865, 3428729), (6095, 3299343), (13515, 1487939), (18285, 1099781), (20723, 970395), (62169, 323465), (64693, 310845), (103615, 194079)]