20609148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 59584000

約数和(自身を除く): 38974852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 57, 74, 76, 84, 111, 114, 133, 148, 222, 228, 259, 266, 349, 399, 444, 518, 532, 698, 703, 777, 798, 1036, 1047, 1396, 1406, 1554, 1596, 2094, 2109, 2443, 2812, 3108, 4188, 4218, 4886, 4921, 6631, 7329, 8436, 9772, 9842, 12913, 13262, 14658, 14763, 19684, 19893, 25826, 26524, 29316, 29526, 38739, 39786, 46417, 51652, 59052, 77478, 79572, 90391, 92834, 139251, 154956, 180782, 185668, 245347, 271173, 278502, 361564, 490694, 542346, 557004, 736041, 981388, 1084692, 1472082, 1717429, 2944164, 3434858, 5152287, 6869716, 10304574, 20609148]

約数ペア:

[(1, 20609148), (2, 10304574), (3, 6869716), (4, 5152287), (6, 3434858), (7, 2944164), (12, 1717429), (14, 1472082), (19, 1084692), (21, 981388), (28, 736041), (37, 557004), (38, 542346), (42, 490694), (57, 361564), (74, 278502), (76, 271173), (84, 245347), (111, 185668), (114, 180782), (133, 154956), (148, 139251), (222, 92834), (228, 90391), (259, 79572), (266, 77478), (349, 59052), (399, 51652), (444, 46417), (518, 39786), (532, 38739), (698, 29526), (703, 29316), (777, 26524), (798, 25826), (1036, 19893), (1047, 19684), (1396, 14763), (1406, 14658), (1554, 13262), (1596, 12913), (2094, 9842), (2109, 9772), (2443, 8436), (2812, 7329), (3108, 6631), (4188, 4921), (4218, 4886)]