20154035384

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{123209}}^1$

素因数の和:123372

約数の個数: 64

約数和(自身を含む): 45420134400

約数和(自身を除く): 25266099016

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 127, 161, 184, 254, 322, 508, 644, 889, 1016, 1288, 1778, 2921, 3556, 5842, 7112, 11684, 20447, 23368, 40894, 81788, 123209, 163576, 246418, 492836, 862463, 985672, 1724926, 2833807, 3449852, 5667614, 6899704, 11335228, 15647543, 19836649, 22670456, 31295086, 39673298, 62590172, 79346596, 109532801, 125180344, 158693192, 219065602, 359893489, 438131204, 719786978, 876262408, 1439573956, 2519254423, 2879147912, 5038508846, 10077017692, 20154035384]

約数ペア:

[(1, 20154035384), (2, 10077017692), (4, 5038508846), (7, 2879147912), (8, 2519254423), (14, 1439573956), (23, 876262408), (28, 719786978), (46, 438131204), (56, 359893489), (92, 219065602), (127, 158693192), (161, 125180344), (184, 109532801), (254, 79346596), (322, 62590172), (508, 39673298), (644, 31295086), (889, 22670456), (1016, 19836649), (1288, 15647543), (1778, 11335228), (2921, 6899704), (3556, 5667614), (5842, 3449852), (7112, 2833807), (11684, 1724926), (20447, 985672), (23368, 862463), (40894, 492836), (81788, 246418), (123209, 163576)]