20163596236

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1163}}^1\times {\mathrm{1669}}^1$

素因数の和:2903

約数の個数: 72

約数和(自身を含む): 41882838480

約数和(自身を除く): 21719242244

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1163, 1484, 1669, 2326, 2597, 3338, 4652, 5194, 6676, 8141, 10388, 11683, 16282, 23366, 32564, 46732, 56987, 61639, 81781, 88457, 113974, 123278, 163562, 176914, 227948, 246556, 327124, 353828, 431473, 619199, 862946, 1238398, 1725892, 1941047, 2476796, 3020311, 3882094, 4334393, 6040622, 7764188, 8668786, 12081244, 13587329, 17337572, 27174658, 54349316, 95111303, 102875491, 190222606, 205750982, 380445212, 411501964, 720128437, 1440256874, 2880513748, 5040899059, 10081798118, 20163596236]

約数ペア:

[(1, 20163596236), (2, 10081798118), (4, 5040899059), (7, 2880513748), (14, 1440256874), (28, 720128437), (49, 411501964), (53, 380445212), (98, 205750982), (106, 190222606), (196, 102875491), (212, 95111303), (371, 54349316), (742, 27174658), (1163, 17337572), (1484, 13587329), (1669, 12081244), (2326, 8668786), (2597, 7764188), (3338, 6040622), (4652, 4334393), (5194, 3882094), (6676, 3020311), (8141, 2476796), (10388, 1941047), (11683, 1725892), (16282, 1238398), (23366, 862946), (32564, 619199), (46732, 431473), (56987, 353828), (61639, 327124), (81781, 246556), (88457, 227948), (113974, 176914), (123278, 163562)]