20565380790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{416219}}^1$

素因数の和:416299

約数の個数: 80

約数和(自身を含む): 56204683920

約数和(自身を除く): 35639303130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 162, 183, 270, 305, 366, 405, 549, 610, 810, 915, 1098, 1647, 1830, 2745, 3294, 4941, 5490, 8235, 9882, 16470, 24705, 49410, 416219, 832438, 1248657, 2081095, 2497314, 3745971, 4162190, 6243285, 7491942, 11237913, 12486570, 18729855, 22475826, 25389359, 33713739, 37459710, 50778718, 56189565, 67427478, 76168077, 112379130, 126946795, 152336154, 168568695, 228504231, 253893590, 337137390, 380840385, 457008462, 685512693, 761680770, 1142521155, 1371025386, 2056538079, 2285042310, 3427563465, 4113076158, 6855126930, 10282690395, 20565380790]

約数ペア:

[(1, 20565380790), (2, 10282690395), (3, 6855126930), (5, 4113076158), (6, 3427563465), (9, 2285042310), (10, 2056538079), (15, 1371025386), (18, 1142521155), (27, 761680770), (30, 685512693), (45, 457008462), (54, 380840385), (61, 337137390), (81, 253893590), (90, 228504231), (122, 168568695), (135, 152336154), (162, 126946795), (183, 112379130), (270, 76168077), (305, 67427478), (366, 56189565), (405, 50778718), (549, 37459710), (610, 33713739), (810, 25389359), (915, 22475826), (1098, 18729855), (1647, 12486570), (1830, 11237913), (2745, 7491942), (3294, 6243285), (4941, 4162190), (5490, 3745971), (8235, 2497314), (9882, 2081095), (16470, 1248657), (24705, 832438), (49410, 416219)]