20120780172

素因数分解:

$2^2\times 3^1\times {\mathrm{449}}^1\times {\mathrm{547}}^1\times {\mathrm{6827}}^1$

素因数の和:7830

約数の個数: 48

約数和(自身を含む): 47145974400

約数和(自身を除く): 27025194228

約数列:

[1, 2, 3, 4, 6, 12, 449, 547, 898, 1094, 1347, 1641, 1796, 2188, 2694, 3282, 5388, 6564, 6827, 13654, 20481, 27308, 40962, 81924, 245603, 491206, 736809, 982412, 1473618, 2947236, 3065323, 3734369, 6130646, 7468738, 9195969, 11203107, 12261292, 14937476, 18391938, 22406214, 36783876, 44812428, 1676731681, 3353463362, 5030195043, 6706926724, 10060390086, 20120780172]

約数ペア:

[(1, 20120780172), (2, 10060390086), (3, 6706926724), (4, 5030195043), (6, 3353463362), (12, 1676731681), (449, 44812428), (547, 36783876), (898, 22406214), (1094, 18391938), (1347, 14937476), (1641, 12261292), (1796, 11203107), (2188, 9195969), (2694, 7468738), (3282, 6130646), (5388, 3734369), (6564, 3065323), (6827, 2947236), (13654, 1473618), (20481, 982412), (27308, 736809), (40962, 491206), (81924, 245603)]