20218979392

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{1621}}^1\times {\mathrm{2467}}^1$

素因数の和:4179

約数の個数: 56

約数和(自身を含む): 40671455360

約数和(自身を除く): 20452475968

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 1621, 2467, 2528, 3242, 4934, 5056, 6484, 9868, 12968, 19736, 25936, 39472, 51872, 78944, 103744, 128059, 157888, 194893, 256118, 389786, 512236, 779572, 1024472, 1559144, 2048944, 3118288, 3999007, 4097888, 6236576, 7998014, 8195776, 12473152, 15996028, 31992056, 63984112, 127968224, 255936448, 315921553, 631843106, 1263686212, 2527372424, 5054744848, 10109489696, 20218979392]

約数ペア:

[(1, 20218979392), (2, 10109489696), (4, 5054744848), (8, 2527372424), (16, 1263686212), (32, 631843106), (64, 315921553), (79, 255936448), (158, 127968224), (316, 63984112), (632, 31992056), (1264, 15996028), (1621, 12473152), (2467, 8195776), (2528, 7998014), (3242, 6236576), (4934, 4097888), (5056, 3999007), (6484, 3118288), (9868, 2048944), (12968, 1559144), (19736, 1024472), (25936, 779572), (39472, 512236), (51872, 389786), (78944, 256118), (103744, 194893), (128059, 157888)]