20347561780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{210943}}^1$

素因数の和:211025

約数の個数: 96

約数和(自身を含む): 53583151104

約数和(自身を除く): 33235589324

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 53, 65, 70, 91, 106, 130, 140, 182, 212, 260, 265, 364, 371, 455, 530, 689, 742, 910, 1060, 1378, 1484, 1820, 1855, 2756, 3445, 3710, 4823, 6890, 7420, 9646, 13780, 19292, 24115, 48230, 96460, 210943, 421886, 843772, 1054715, 1476601, 2109430, 2742259, 2953202, 4218860, 5484518, 5906404, 7383005, 10969036, 11179979, 13711295, 14766010, 19195813, 22359958, 27422590, 29532020, 38391626, 44719916, 54845180, 55899895, 76783252, 78259853, 95979065, 111799790, 145339727, 156519706, 191958130, 223599580, 290679454, 313039412, 383916260, 391299265, 581358908, 726698635, 782598530, 1017378089, 1453397270, 1565197060, 2034756178, 2906794540, 4069512356, 5086890445, 10173780890, 20347561780]

約数ペア:

[(1, 20347561780), (2, 10173780890), (4, 5086890445), (5, 4069512356), (7, 2906794540), (10, 2034756178), (13, 1565197060), (14, 1453397270), (20, 1017378089), (26, 782598530), (28, 726698635), (35, 581358908), (52, 391299265), (53, 383916260), (65, 313039412), (70, 290679454), (91, 223599580), (106, 191958130), (130, 156519706), (140, 145339727), (182, 111799790), (212, 95979065), (260, 78259853), (265, 76783252), (364, 55899895), (371, 54845180), (455, 44719916), (530, 38391626), (689, 29532020), (742, 27422590), (910, 22359958), (1060, 19195813), (1378, 14766010), (1484, 13711295), (1820, 11179979), (1855, 10969036), (2756, 7383005), (3445, 5906404), (3710, 5484518), (4823, 4218860), (6890, 2953202), (7420, 2742259), (9646, 2109430), (13780, 1476601), (19292, 1054715), (24115, 843772), (48230, 421886), (96460, 210943)]