20784046920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1903301}}^1$

素因数の和:1903335

約数の個数: 128

約数和(自身を含む): 76741136640

約数和(自身を除く): 55957089720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 1903301, 3806602, 5709903, 7613204, 9516505, 11419806, 13323107, 15226408, 19033010, 22839612, 24742913, 26646214, 28549515, 38066020, 39969321, 45679224, 49485826, 53292428, 57099030, 66615535, 74228739, 76132040, 79938642, 98971652, 106584856, 114198060, 123714565, 133231070, 148457478, 159877284, 173200391, 197943304, 199846605, 228396120, 247429130, 266462140, 296914956, 319754568, 346400782, 371143695, 399693210, 494858260, 519601173, 532924280, 593829912, 692801564, 742287390, 799386420, 866001955, 989716520, 1039202346, 1385603128, 1484574780, 1598772840, 1732003910, 2078404692, 2598005865, 2969149560, 3464007820, 4156809384, 5196011730, 6928015640, 10392023460, 20784046920]

約数ペア:

[(1, 20784046920), (2, 10392023460), (3, 6928015640), (4, 5196011730), (5, 4156809384), (6, 3464007820), (7, 2969149560), (8, 2598005865), (10, 2078404692), (12, 1732003910), (13, 1598772840), (14, 1484574780), (15, 1385603128), (20, 1039202346), (21, 989716520), (24, 866001955), (26, 799386420), (28, 742287390), (30, 692801564), (35, 593829912), (39, 532924280), (40, 519601173), (42, 494858260), (52, 399693210), (56, 371143695), (60, 346400782), (65, 319754568), (70, 296914956), (78, 266462140), (84, 247429130), (91, 228396120), (104, 199846605), (105, 197943304), (120, 173200391), (130, 159877284), (140, 148457478), (156, 133231070), (168, 123714565), (182, 114198060), (195, 106584856), (210, 98971652), (260, 79938642), (273, 76132040), (280, 74228739), (312, 66615535), (364, 57099030), (390, 53292428), (420, 49485826), (455, 45679224), (520, 39969321), (546, 38066020), (728, 28549515), (780, 26646214), (840, 24742913), (910, 22839612), (1092, 19033010), (1365, 15226408), (1560, 13323107), (1820, 11419806), (2184, 9516505), (2730, 7613204), (3640, 5709903), (5460, 3806602), (10920, 1903301)]