20199137216

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{349}}^1\times {\mathrm{9323}}^1$

素因数の和:9781

約数の個数: 56

約数和(自身を含む): 40616276400

約数和(自身を除く): 20417139184

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 349, 388, 698, 776, 1396, 1552, 2792, 3104, 5584, 6208, 9323, 11168, 18646, 22336, 33853, 37292, 67706, 74584, 135412, 149168, 270824, 298336, 541648, 596672, 904331, 1083296, 1808662, 2166592, 3253727, 3617324, 6507454, 7234648, 13014908, 14469296, 26029816, 28938592, 52059632, 57877184, 104119264, 208238528, 315611519, 631223038, 1262446076, 2524892152, 5049784304, 10099568608, 20199137216]

約数ペア:

[(1, 20199137216), (2, 10099568608), (4, 5049784304), (8, 2524892152), (16, 1262446076), (32, 631223038), (64, 315611519), (97, 208238528), (194, 104119264), (349, 57877184), (388, 52059632), (698, 28938592), (776, 26029816), (1396, 14469296), (1552, 13014908), (2792, 7234648), (3104, 6507454), (5584, 3617324), (6208, 3253727), (9323, 2166592), (11168, 1808662), (18646, 1083296), (22336, 904331), (33853, 596672), (37292, 541648), (67706, 298336), (74584, 270824), (135412, 149168)]