20176483145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 31863767040

約数和(自身を除く): 11687283895

約数列:

[1, 5, 7, 13, 31, 35, 41, 65, 91, 139, 155, 205, 217, 251, 287, 403, 455, 533, 695, 973, 1085, 1255, 1271, 1435, 1757, 1807, 2015, 2665, 2821, 3263, 3731, 4309, 4865, 5699, 6355, 7781, 8785, 8897, 9035, 10291, 12649, 14105, 16315, 16523, 18655, 21545, 22841, 28495, 30163, 34889, 38905, 39893, 44485, 51455, 54467, 56017, 63245, 72037, 74087, 82615, 101153, 114205, 115661, 133783, 150815, 174445, 176669, 199465, 244223, 272335, 280085, 319021, 360185, 370435, 392119, 453557, 505765, 518609, 578305, 668915, 708071, 883345, 936481, 1081559, 1221115, 1236683, 1430449, 1595105, 1960595, 2233147, 2267785, 2296697, 2593045, 3174899, 3540355, 4147273, 4682405, 5407795, 6183415, 7152245, 7570913, 10013143, 11165735, 11483485, 14060267, 15874495, 16076879, 18595837, 20736365, 29030911, 37854565, 44343919, 50065715, 70301335, 80384395, 92979185, 98421869, 130170859, 145154555, 221719595, 310407433, 492109345, 576470947, 650854295, 1552037165, 2882354735, 4035296629, 20176483145]

約数ペア:

[(1, 20176483145), (5, 4035296629), (7, 2882354735), (13, 1552037165), (31, 650854295), (35, 576470947), (41, 492109345), (65, 310407433), (91, 221719595), (139, 145154555), (155, 130170859), (205, 98421869), (217, 92979185), (251, 80384395), (287, 70301335), (403, 50065715), (455, 44343919), (533, 37854565), (695, 29030911), (973, 20736365), (1085, 18595837), (1255, 16076879), (1271, 15874495), (1435, 14060267), (1757, 11483485), (1807, 11165735), (2015, 10013143), (2665, 7570913), (2821, 7152245), (3263, 6183415), (3731, 5407795), (4309, 4682405), (4865, 4147273), (5699, 3540355), (6355, 3174899), (7781, 2593045), (8785, 2296697), (8897, 2267785), (9035, 2233147), (10291, 1960595), (12649, 1595105), (14105, 1430449), (16315, 1236683), (16523, 1221115), (18655, 1081559), (21545, 936481), (22841, 883345), (28495, 708071), (30163, 668915), (34889, 578305), (38905, 518609), (39893, 505765), (44485, 453557), (51455, 392119), (54467, 370435), (56017, 360185), (63245, 319021), (72037, 280085), (74087, 272335), (82615, 244223), (101153, 199465), (114205, 176669), (115661, 174445), (133783, 150815)]