20819451888

素因数分解:

$2^4\times 3^2\times {\mathrm{2741}}^1\times {\mathrm{52747}}^1$

素因数の和:55502

約数の個数: 60

約数和(自身を含む): 58287911448

約数和(自身を除く): 37468459560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 2741, 5482, 8223, 10964, 16446, 21928, 24669, 32892, 43856, 49338, 52747, 65784, 98676, 105494, 131568, 158241, 197352, 210988, 316482, 394704, 421976, 474723, 632964, 843952, 949446, 1265928, 1898892, 2531856, 3797784, 7595568, 144579527, 289159054, 433738581, 578318108, 867477162, 1156636216, 1301215743, 1734954324, 2313272432, 2602431486, 3469908648, 5204862972, 6939817296, 10409725944, 20819451888]

約数ペア:

[(1, 20819451888), (2, 10409725944), (3, 6939817296), (4, 5204862972), (6, 3469908648), (8, 2602431486), (9, 2313272432), (12, 1734954324), (16, 1301215743), (18, 1156636216), (24, 867477162), (36, 578318108), (48, 433738581), (72, 289159054), (144, 144579527), (2741, 7595568), (5482, 3797784), (8223, 2531856), (10964, 1898892), (16446, 1265928), (21928, 949446), (24669, 843952), (32892, 632964), (43856, 474723), (49338, 421976), (52747, 394704), (65784, 316482), (98676, 210988), (105494, 197352), (131568, 158241)]