20817505312

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1\times {\mathrm{1553}}^1$

素因数の和:2222

約数の個数: 96

約数和(自身を含む): 44556375024

約数和(自身を除く): 23738869712

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 68, 82, 136, 164, 272, 328, 544, 601, 656, 697, 1202, 1312, 1394, 1553, 2404, 2788, 3106, 4808, 5576, 6212, 9616, 10217, 11152, 12424, 19232, 20434, 22304, 24641, 24848, 26401, 40868, 49282, 49696, 52802, 63673, 81736, 98564, 105604, 127346, 163472, 197128, 211208, 254692, 326944, 394256, 418897, 422416, 509384, 788512, 837794, 844832, 933353, 1018768, 1082441, 1675588, 1866706, 2037536, 2164882, 3351176, 3733412, 4329764, 6702352, 7466824, 8659528, 13404704, 14933648, 15867001, 17319056, 29867296, 31734002, 34638112, 38267473, 63468004, 76534946, 126936008, 153069892, 253872016, 306139784, 507744032, 612279568, 650547041, 1224559136, 1301094082, 2602188164, 5204376328, 10408752656, 20817505312]

約数ペア:

[(1, 20817505312), (2, 10408752656), (4, 5204376328), (8, 2602188164), (16, 1301094082), (17, 1224559136), (32, 650547041), (34, 612279568), (41, 507744032), (68, 306139784), (82, 253872016), (136, 153069892), (164, 126936008), (272, 76534946), (328, 63468004), (544, 38267473), (601, 34638112), (656, 31734002), (697, 29867296), (1202, 17319056), (1312, 15867001), (1394, 14933648), (1553, 13404704), (2404, 8659528), (2788, 7466824), (3106, 6702352), (4808, 4329764), (5576, 3733412), (6212, 3351176), (9616, 2164882), (10217, 2037536), (11152, 1866706), (12424, 1675588), (19232, 1082441), (20434, 1018768), (22304, 933353), (24641, 844832), (24848, 837794), (26401, 788512), (40868, 509384), (49282, 422416), (49696, 418897), (52802, 394256), (63673, 326944), (81736, 254692), (98564, 211208), (105604, 197128), (127346, 163472)]