20123364105

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{127877}}^1$

素因数の和:128170

約数の個数: 48

約数和(自身を含む): 37703549520

約数和(自身を除く): 17580185415

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 269, 585, 807, 1345, 2421, 3497, 4035, 10491, 12105, 17485, 31473, 52455, 127877, 157365, 383631, 639385, 1150893, 1662401, 1918155, 4987203, 5754465, 8312005, 14961609, 24936015, 34398913, 74808045, 103196739, 171994565, 309590217, 447185869, 515983695, 1341557607, 1547951085, 2235929345, 4024672821, 6707788035, 20123364105]

約数ペア:

[(1, 20123364105), (3, 6707788035), (5, 4024672821), (9, 2235929345), (13, 1547951085), (15, 1341557607), (39, 515983695), (45, 447185869), (65, 309590217), (117, 171994565), (195, 103196739), (269, 74808045), (585, 34398913), (807, 24936015), (1345, 14961609), (2421, 8312005), (3497, 5754465), (4035, 4987203), (10491, 1918155), (12105, 1662401), (17485, 1150893), (31473, 639385), (52455, 383631), (127877, 157365)]