20970016

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 22575584

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 59, 116, 118, 232, 236, 383, 464, 472, 766, 928, 944, 1532, 1711, 1888, 3064, 3422, 6128, 6844, 11107, 12256, 13688, 22214, 22597, 27376, 44428, 45194, 54752, 88856, 90388, 177712, 180776, 355424, 361552, 655313, 723104, 1310626, 2621252, 5242504, 10485008, 20970016]

約数ペア:

[(1, 20970016), (2, 10485008), (4, 5242504), (8, 2621252), (16, 1310626), (29, 723104), (32, 655313), (58, 361552), (59, 355424), (116, 180776), (118, 177712), (232, 90388), (236, 88856), (383, 54752), (464, 45194), (472, 44428), (766, 27376), (928, 22597), (944, 22214), (1532, 13688), (1711, 12256), (1888, 11107), (3064, 6844), (3422, 6128)]