20946156725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{14957}}^1$

素因数の和:15150

約数の個数: 48

約数和(自身を含む): 29083138560

約数和(自身を除く): 8136981835

約数列:

[1, 5, 13, 25, 31, 65, 139, 155, 325, 403, 695, 775, 1807, 2015, 3475, 4309, 9035, 10075, 14957, 21545, 45175, 56017, 74785, 107725, 194441, 280085, 373925, 463667, 972205, 1400425, 2079023, 2318335, 4861025, 6027671, 10395115, 11591675, 27027299, 30138355, 51975575, 64449713, 135136495, 150691775, 322248565, 675682475, 837846269, 1611242825, 4189231345, 20946156725]

約数ペア:

[(1, 20946156725), (5, 4189231345), (13, 1611242825), (25, 837846269), (31, 675682475), (65, 322248565), (139, 150691775), (155, 135136495), (325, 64449713), (403, 51975575), (695, 30138355), (775, 27027299), (1807, 11591675), (2015, 10395115), (3475, 6027671), (4309, 4861025), (9035, 2318335), (10075, 2079023), (14957, 1400425), (21545, 972205), (45175, 463667), (56017, 373925), (74785, 280085), (107725, 194441)]