20107568720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14784977}}^1$

素因数の和:14785007

約数の個数: 40

約数和(自身を含む): 49500106344

約数和(自身を除く): 29392537624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14784977, 29569954, 59139908, 73924885, 118279816, 147849770, 236559632, 251344609, 295699540, 502689218, 591399080, 1005378436, 1182798160, 1256723045, 2010756872, 2513446090, 4021513744, 5026892180, 10053784360, 20107568720]

約数ペア:

[(1, 20107568720), (2, 10053784360), (4, 5026892180), (5, 4021513744), (8, 2513446090), (10, 2010756872), (16, 1256723045), (17, 1182798160), (20, 1005378436), (34, 591399080), (40, 502689218), (68, 295699540), (80, 251344609), (85, 236559632), (136, 147849770), (170, 118279816), (272, 73924885), (340, 59139908), (680, 29569954), (1360, 14784977)]