20512496180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1\times {\mathrm{4591}}^1$

素因数の和:5517

約数の個数: 96

約数和(自身を含む): 49101631488

約数和(自身を除く): 28589135308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 883, 1012, 1265, 1766, 2530, 3532, 4415, 4591, 5060, 8830, 9182, 9713, 17660, 18364, 19426, 20309, 22955, 38852, 40618, 45910, 48565, 50501, 81236, 91820, 97130, 101002, 101545, 105593, 194260, 202004, 203090, 211186, 223399, 252505, 406180, 422372, 446798, 505010, 527965, 893596, 1010020, 1055930, 1116995, 1161523, 2111860, 2233990, 2323046, 4053853, 4467980, 4646092, 5807615, 8107706, 11615230, 16215412, 20269265, 23230460, 40538530, 44592383, 81077060, 89184766, 93238619, 178369532, 186477238, 222961915, 372954476, 445923830, 466193095, 891847660, 932386190, 1025624809, 1864772380, 2051249618, 4102499236, 5128124045, 10256248090, 20512496180]

約数ペア:

[(1, 20512496180), (2, 10256248090), (4, 5128124045), (5, 4102499236), (10, 2051249618), (11, 1864772380), (20, 1025624809), (22, 932386190), (23, 891847660), (44, 466193095), (46, 445923830), (55, 372954476), (92, 222961915), (110, 186477238), (115, 178369532), (220, 93238619), (230, 89184766), (253, 81077060), (460, 44592383), (506, 40538530), (883, 23230460), (1012, 20269265), (1265, 16215412), (1766, 11615230), (2530, 8107706), (3532, 5807615), (4415, 4646092), (4591, 4467980), (5060, 4053853), (8830, 2323046), (9182, 2233990), (9713, 2111860), (17660, 1161523), (18364, 1116995), (19426, 1055930), (20309, 1010020), (22955, 893596), (38852, 527965), (40618, 505010), (45910, 446798), (48565, 422372), (50501, 406180), (81236, 252505), (91820, 223399), (97130, 211186), (101002, 203090), (101545, 202004), (105593, 194260)]