20168963206

素因数分解:

$2^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{2609}}^1$

素因数の和:2882

約数の個数: 64

約数和(自身を含む): 36080640000

約数和(自身を除く): 15911676794

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 191, 343, 382, 413, 686, 826, 1337, 2609, 2674, 2891, 5218, 5782, 9359, 11269, 18263, 18718, 20237, 22538, 36526, 40474, 65513, 78883, 127841, 131026, 153931, 157766, 255682, 307862, 498319, 552181, 894887, 996638, 1077517, 1104362, 1789774, 2155034, 3488233, 3865267, 6976466, 7542619, 7730534, 15085238, 24417631, 29400821, 48835262, 52798333, 58801642, 105596666, 170923417, 205805747, 341846834, 411611494, 1440640229, 2881280458, 10084481603, 20168963206]

約数ペア:

[(1, 20168963206), (2, 10084481603), (7, 2881280458), (14, 1440640229), (49, 411611494), (59, 341846834), (98, 205805747), (118, 170923417), (191, 105596666), (343, 58801642), (382, 52798333), (413, 48835262), (686, 29400821), (826, 24417631), (1337, 15085238), (2609, 7730534), (2674, 7542619), (2891, 6976466), (5218, 3865267), (5782, 3488233), (9359, 2155034), (11269, 1789774), (18263, 1104362), (18718, 1077517), (20237, 996638), (22538, 894887), (36526, 552181), (40474, 498319), (65513, 307862), (78883, 255682), (127841, 157766), (131026, 153931)]