20512781536

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{40853}}^1$

素因数の和:40964

約数の個数: 96

約数和(自身を含む): 46699063488

約数和(自身を除く): 26186281952

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 71, 104, 136, 142, 208, 221, 272, 284, 416, 442, 544, 568, 884, 923, 1136, 1207, 1768, 1846, 2272, 2414, 3536, 3692, 4828, 7072, 7384, 9656, 14768, 15691, 19312, 29536, 31382, 38624, 40853, 62764, 81706, 125528, 163412, 251056, 326824, 502112, 531089, 653648, 694501, 1062178, 1307296, 1389002, 2124356, 2778004, 2900563, 4248712, 5556008, 5801126, 8497424, 9028513, 11112016, 11602252, 16994848, 18057026, 22224032, 23204504, 36114052, 37707319, 46409008, 49309571, 72228104, 75414638, 92818016, 98619142, 144456208, 150829276, 197238284, 288912416, 301658552, 394476568, 603317104, 641024423, 788953136, 1206634208, 1282048846, 1577906272, 2564097692, 5128195384, 10256390768, 20512781536]

約数ペア:

[(1, 20512781536), (2, 10256390768), (4, 5128195384), (8, 2564097692), (13, 1577906272), (16, 1282048846), (17, 1206634208), (26, 788953136), (32, 641024423), (34, 603317104), (52, 394476568), (68, 301658552), (71, 288912416), (104, 197238284), (136, 150829276), (142, 144456208), (208, 98619142), (221, 92818016), (272, 75414638), (284, 72228104), (416, 49309571), (442, 46409008), (544, 37707319), (568, 36114052), (884, 23204504), (923, 22224032), (1136, 18057026), (1207, 16994848), (1768, 11602252), (1846, 11112016), (2272, 9028513), (2414, 8497424), (3536, 5801126), (3692, 5556008), (4828, 4248712), (7072, 2900563), (7384, 2778004), (9656, 2124356), (14768, 1389002), (15691, 1307296), (19312, 1062178), (29536, 694501), (31382, 653648), (38624, 531089), (40853, 502112), (62764, 326824), (81706, 251056), (125528, 163412)]