20197907516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1\times {\mathrm{5347}}^1$

素因数の和:7554

約数の個数: 48

約数和(自身を含む): 38849583360

約数和(自身を除く): 18651675844

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 2161, 4322, 5347, 8644, 10694, 21388, 41059, 49703, 82118, 99406, 101593, 122981, 164236, 198812, 203186, 245962, 406372, 491924, 944357, 1888714, 2336639, 3777428, 4673278, 9346556, 11554867, 23109734, 46219468, 219542473, 265761941, 439084946, 531523882, 878169892, 1063047764, 5049476879, 10098953758, 20197907516]

約数ペア:

[(1, 20197907516), (2, 10098953758), (4, 5049476879), (19, 1063047764), (23, 878169892), (38, 531523882), (46, 439084946), (76, 265761941), (92, 219542473), (437, 46219468), (874, 23109734), (1748, 11554867), (2161, 9346556), (4322, 4673278), (5347, 3777428), (8644, 2336639), (10694, 1888714), (21388, 944357), (41059, 491924), (49703, 406372), (82118, 245962), (99406, 203186), (101593, 198812), (122981, 164236)]