20468184

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 59996160

約数和(自身を除く): 39527976

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 41, 44, 61, 62, 66, 82, 88, 93, 122, 123, 124, 132, 164, 183, 186, 244, 246, 248, 264, 328, 341, 366, 372, 451, 488, 492, 671, 682, 732, 744, 902, 984, 1023, 1271, 1342, 1353, 1364, 1464, 1804, 1891, 2013, 2046, 2501, 2542, 2684, 2706, 2728, 3608, 3782, 3813, 4026, 4092, 5002, 5084, 5368, 5412, 5673, 7503, 7564, 7626, 8052, 8184, 10004, 10168, 10824, 11346, 13981, 15006, 15128, 15252, 16104, 20008, 20801, 22692, 27511, 27962, 30012, 30504, 41602, 41943, 45384, 55022, 55924, 60024, 62403, 77531, 82533, 83204, 83886, 110044, 111848, 124806, 155062, 165066, 166408, 167772, 220088, 232593, 249612, 310124, 330132, 335544, 465186, 499224, 620248, 660264, 852841, 930372, 1705682, 1860744, 2558523, 3411364, 5117046, 6822728, 10234092, 20468184]

約数ペア:

[(1, 20468184), (2, 10234092), (3, 6822728), (4, 5117046), (6, 3411364), (8, 2558523), (11, 1860744), (12, 1705682), (22, 930372), (24, 852841), (31, 660264), (33, 620248), (41, 499224), (44, 465186), (61, 335544), (62, 330132), (66, 310124), (82, 249612), (88, 232593), (93, 220088), (122, 167772), (123, 166408), (124, 165066), (132, 155062), (164, 124806), (183, 111848), (186, 110044), (244, 83886), (246, 83204), (248, 82533), (264, 77531), (328, 62403), (341, 60024), (366, 55924), (372, 55022), (451, 45384), (488, 41943), (492, 41602), (671, 30504), (682, 30012), (732, 27962), (744, 27511), (902, 22692), (984, 20801), (1023, 20008), (1271, 16104), (1342, 15252), (1353, 15128), (1364, 15006), (1464, 13981), (1804, 11346), (1891, 10824), (2013, 10168), (2046, 10004), (2501, 8184), (2542, 8052), (2684, 7626), (2706, 7564), (2728, 7503), (3608, 5673), (3782, 5412), (3813, 5368), (4026, 5084), (4092, 5002)]