20512159215

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1\times {\mathrm{1907}}^1$

素因数の和:2336

約数の個数: 64

約数和(自身を含む): 34508851200

約数和(自身を除く): 13996691985

約数列:

[1, 3, 5, 15, 29, 79, 87, 145, 237, 313, 395, 435, 939, 1185, 1565, 1907, 2291, 4695, 5721, 6873, 9077, 9535, 11455, 24727, 27231, 28605, 34365, 45385, 55303, 74181, 123635, 136155, 150653, 165909, 276515, 370905, 451959, 596891, 717083, 753265, 829545, 1790673, 2151249, 2259795, 2984455, 3585415, 4368937, 8953365, 10756245, 13106811, 17309839, 21844685, 47154389, 51929517, 65534055, 86549195, 141463167, 235771945, 259647585, 707315835, 1367477281, 4102431843, 6837386405, 20512159215]

約数ペア:

[(1, 20512159215), (3, 6837386405), (5, 4102431843), (15, 1367477281), (29, 707315835), (79, 259647585), (87, 235771945), (145, 141463167), (237, 86549195), (313, 65534055), (395, 51929517), (435, 47154389), (939, 21844685), (1185, 17309839), (1565, 13106811), (1907, 10756245), (2291, 8953365), (4695, 4368937), (5721, 3585415), (6873, 2984455), (9077, 2259795), (9535, 2151249), (11455, 1790673), (24727, 829545), (27231, 753265), (28605, 717083), (34365, 596891), (45385, 451959), (55303, 370905), (74181, 276515), (123635, 165909), (136155, 150653)]