20821176

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4073}}^1$

素因数の和:4156

約数の個数: 48

約数和(自身を含む): 57198960

約数和(自身を除く): 36377784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4073, 5112, 8146, 12219, 16292, 24438, 32584, 36657, 48876, 73314, 97752, 146628, 289183, 293256, 578366, 867549, 1156732, 1735098, 2313464, 2602647, 3470196, 5205294, 6940392, 10410588, 20821176]

約数ペア:

[(1, 20821176), (2, 10410588), (3, 6940392), (4, 5205294), (6, 3470196), (8, 2602647), (9, 2313464), (12, 1735098), (18, 1156732), (24, 867549), (36, 578366), (71, 293256), (72, 289183), (142, 146628), (213, 97752), (284, 73314), (426, 48876), (568, 36657), (639, 32584), (852, 24438), (1278, 16292), (1704, 12219), (2556, 8146), (4073, 5112)]