20408027456

素因数分解:

$2^6\times {\mathrm{197}}^1\times {\mathrm{971}}^1\times {\mathrm{1667}}^1$

素因数の和:2847

約数の個数: 56

約数和(自身を含む): 40769109216

約数和(自身を除く): 20361081760

約数列:

[1, 2, 4, 8, 16, 32, 64, 197, 394, 788, 971, 1576, 1667, 1942, 3152, 3334, 3884, 6304, 6668, 7768, 12608, 13336, 15536, 26672, 31072, 53344, 62144, 106688, 191287, 328399, 382574, 656798, 765148, 1313596, 1530296, 1618657, 2627192, 3060592, 3237314, 5254384, 6121184, 6474628, 10508768, 12242368, 12949256, 21017536, 25898512, 51797024, 103594048, 318875429, 637750858, 1275501716, 2551003432, 5102006864, 10204013728, 20408027456]

約数ペア:

[(1, 20408027456), (2, 10204013728), (4, 5102006864), (8, 2551003432), (16, 1275501716), (32, 637750858), (64, 318875429), (197, 103594048), (394, 51797024), (788, 25898512), (971, 21017536), (1576, 12949256), (1667, 12242368), (1942, 10508768), (3152, 6474628), (3334, 6121184), (3884, 5254384), (6304, 3237314), (6668, 3060592), (7768, 2627192), (12608, 1618657), (13336, 1530296), (15536, 1313596), (26672, 765148), (31072, 656798), (53344, 382574), (62144, 328399), (106688, 191287)]