20185681935

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{38671}}^1$

素因数の和:38808

約数の個数: 64

約数和(自身を含む): 36085616640

約数和(自身を除く): 15899934705

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 89, 115, 255, 267, 345, 391, 445, 1173, 1335, 1513, 1955, 2047, 4539, 5865, 6141, 7565, 10235, 22695, 30705, 34799, 38671, 104397, 116013, 173995, 193355, 521985, 580065, 657407, 889433, 1972221, 2668299, 3287035, 3441719, 4447165, 9861105, 10325157, 13341495, 15120361, 17208595, 45361083, 51625785, 58509223, 75601805, 79159537, 175527669, 226805415, 237478611, 292546115, 395797685, 877638345, 1187393055, 1345712129, 4037136387, 6728560645, 20185681935]

約数ペア:

[(1, 20185681935), (3, 6728560645), (5, 4037136387), (15, 1345712129), (17, 1187393055), (23, 877638345), (51, 395797685), (69, 292546115), (85, 237478611), (89, 226805415), (115, 175527669), (255, 79159537), (267, 75601805), (345, 58509223), (391, 51625785), (445, 45361083), (1173, 17208595), (1335, 15120361), (1513, 13341495), (1955, 10325157), (2047, 9861105), (4539, 4447165), (5865, 3441719), (6141, 3287035), (7565, 2668299), (10235, 1972221), (22695, 889433), (30705, 657407), (34799, 580065), (38671, 521985), (104397, 193355), (116013, 173995)]