20118564375

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117911}}^1$

素因数の和:117954

約数の個数: 80

約数和(自身を含む): 41255993856

約数和(自身を除く): 21137429481

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 125, 175, 195, 273, 325, 375, 455, 525, 625, 875, 975, 1365, 1625, 1875, 2275, 2625, 4375, 4875, 6825, 8125, 11375, 13125, 24375, 34125, 56875, 117911, 170625, 353733, 589555, 825377, 1532843, 1768665, 2476131, 2947775, 4126885, 4598529, 7664215, 8843325, 10729901, 12380655, 14738875, 20634425, 22992645, 32189703, 38321075, 44216625, 53649505, 61903275, 73694375, 103172125, 114963225, 160948515, 191605375, 221083125, 268247525, 309516375, 515860625, 574816125, 804742575, 958026875, 1341237625, 1547581875, 2874080625, 4023712875, 6706188125, 20118564375]

約数ペア:

[(1, 20118564375), (3, 6706188125), (5, 4023712875), (7, 2874080625), (13, 1547581875), (15, 1341237625), (21, 958026875), (25, 804742575), (35, 574816125), (39, 515860625), (65, 309516375), (75, 268247525), (91, 221083125), (105, 191605375), (125, 160948515), (175, 114963225), (195, 103172125), (273, 73694375), (325, 61903275), (375, 53649505), (455, 44216625), (525, 38321075), (625, 32189703), (875, 22992645), (975, 20634425), (1365, 14738875), (1625, 12380655), (1875, 10729901), (2275, 8843325), (2625, 7664215), (4375, 4598529), (4875, 4126885), (6825, 2947775), (8125, 2476131), (11375, 1768665), (13125, 1532843), (24375, 825377), (34125, 589555), (56875, 353733), (117911, 170625)]