20187334076

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{139697}}^1$

素因数の和:140118

約数の個数: 48

約数和(自身を含む): 43590246336

約数和(自身を除く): 23402912260

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 397, 794, 1588, 2779, 5161, 5558, 10322, 11116, 20644, 36127, 72254, 139697, 144508, 279394, 558788, 977879, 1816061, 1955758, 3632122, 3911516, 7264244, 12712427, 25424854, 50849708, 55459709, 110919418, 221838836, 388217963, 720976217, 776435926, 1441952434, 1552871852, 2883904868, 5046833519, 10093667038, 20187334076]

約数ペア:

[(1, 20187334076), (2, 10093667038), (4, 5046833519), (7, 2883904868), (13, 1552871852), (14, 1441952434), (26, 776435926), (28, 720976217), (52, 388217963), (91, 221838836), (182, 110919418), (364, 55459709), (397, 50849708), (794, 25424854), (1588, 12712427), (2779, 7264244), (5161, 3911516), (5558, 3632122), (10322, 1955758), (11116, 1816061), (20644, 977879), (36127, 558788), (72254, 279394), (139697, 144508)]