20876535

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2713}}^1$

素因数の和:2749

約数の個数: 40

約数和(自身を含む): 39407280

約数和(自身を除く): 18530745

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 2713, 7695, 8139, 13565, 24417, 40695, 51547, 73251, 122085, 154641, 219753, 257735, 366255, 463923, 773205, 1098765, 1391769, 2319615, 4175307, 6958845, 20876535]

約数ペア:

[(1, 20876535), (3, 6958845), (5, 4175307), (9, 2319615), (15, 1391769), (19, 1098765), (27, 773205), (45, 463923), (57, 366255), (81, 257735), (95, 219753), (135, 154641), (171, 122085), (285, 73251), (405, 51547), (513, 40695), (855, 24417), (1539, 13565), (2565, 8139), (2713, 7695)]