20806468472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:933

約数の個数: 128

約数和(自身を含む): 43934400000

約数和(自身を除く): 23127931528

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 59, 76, 92, 118, 149, 152, 184, 236, 298, 437, 472, 596, 677, 874, 1121, 1192, 1354, 1357, 1748, 2242, 2708, 2714, 2831, 3427, 3496, 4484, 5416, 5428, 5662, 6854, 8791, 8968, 10856, 11324, 12863, 13708, 15571, 17582, 22648, 25726, 25783, 27416, 31142, 35164, 39943, 51452, 51566, 62284, 65113, 70328, 79886, 100873, 102904, 103132, 124568, 130226, 159772, 167029, 201746, 202193, 206264, 260452, 295849, 319544, 334058, 403492, 404386, 520904, 591698, 668116, 758917, 806984, 808772, 918689, 1183396, 1336232, 1517834, 1617544, 1837378, 1916587, 2320079, 2366792, 3035668, 3674756, 3833174, 3841667, 4640158, 5951507, 6071336, 7349512, 7666348, 7683334, 9280316, 11903014, 15332696, 15366668, 17455091, 18560632, 23806028, 30733336, 34910182, 44081501, 47612056, 69820364, 88163002, 113078633, 136884661, 139640728, 176326004, 226157266, 273769322, 352652008, 452314532, 547538644, 904629064, 1095077288, 2600808559, 5201617118, 10403234236, 20806468472]

約数ペア:

[(1, 20806468472), (2, 10403234236), (4, 5201617118), (8, 2600808559), (19, 1095077288), (23, 904629064), (38, 547538644), (46, 452314532), (59, 352652008), (76, 273769322), (92, 226157266), (118, 176326004), (149, 139640728), (152, 136884661), (184, 113078633), (236, 88163002), (298, 69820364), (437, 47612056), (472, 44081501), (596, 34910182), (677, 30733336), (874, 23806028), (1121, 18560632), (1192, 17455091), (1354, 15366668), (1357, 15332696), (1748, 11903014), (2242, 9280316), (2708, 7683334), (2714, 7666348), (2831, 7349512), (3427, 6071336), (3496, 5951507), (4484, 4640158), (5416, 3841667), (5428, 3833174), (5662, 3674756), (6854, 3035668), (8791, 2366792), (8968, 2320079), (10856, 1916587), (11324, 1837378), (12863, 1617544), (13708, 1517834), (15571, 1336232), (17582, 1183396), (22648, 918689), (25726, 808772), (25783, 806984), (27416, 758917), (31142, 668116), (35164, 591698), (39943, 520904), (51452, 404386), (51566, 403492), (62284, 334058), (65113, 319544), (70328, 295849), (79886, 260452), (100873, 206264), (102904, 202193), (103132, 201746), (124568, 167029), (130226, 159772)]