20743164

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 57075200

約数和(自身を除く): 36332036

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 156, 234, 254, 349, 381, 468, 508, 698, 762, 1047, 1143, 1396, 1524, 1651, 2094, 2286, 3141, 3302, 4188, 4537, 4572, 4953, 6282, 6604, 9074, 9906, 12564, 13611, 14859, 18148, 19812, 27222, 29718, 40833, 44323, 54444, 59436, 81666, 88646, 132969, 163332, 177292, 265938, 398907, 531876, 576199, 797814, 1152398, 1595628, 1728597, 2304796, 3457194, 5185791, 6914388, 10371582, 20743164]

約数ペア:

[(1, 20743164), (2, 10371582), (3, 6914388), (4, 5185791), (6, 3457194), (9, 2304796), (12, 1728597), (13, 1595628), (18, 1152398), (26, 797814), (36, 576199), (39, 531876), (52, 398907), (78, 265938), (117, 177292), (127, 163332), (156, 132969), (234, 88646), (254, 81666), (349, 59436), (381, 54444), (468, 44323), (508, 40833), (698, 29718), (762, 27222), (1047, 19812), (1143, 18148), (1396, 14859), (1524, 13611), (1651, 12564), (2094, 9906), (2286, 9074), (3141, 6604), (3302, 6282), (4188, 4953), (4537, 4572)]